| Revenue | $8.2B | $8.9B | $10.6B | $8B | $9.1B | $10B | $11B | $9.3B |
| Increase (decrease) in contract liabilities and deferred income | $614M | $378M | $637M | $1.1B | $900M | $553M | $5.6B | $6B |
| Change in Deferred Revenue | $711M | $64M | $1.1B | $1.1B | $736M | $559M | $5.6B | $5.6B |
| Increase (decrease) in contract liabilities and current deferred income | $711M | $64M | $1.1B | $1.1B | $736M | $559M | $5.6B | $5.6B |
| Goodwill Additions | — | — | — | $15M | — | $71M | — | $5.5B |
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | $979M | $1.1B | $921M | $1.2B | $367M | $980M | $2.5B | $5.2B |
| Payments to Acquire Businesses, Net of Cash Acquired | — | — | — | $40M | — | — | — | $4.9B |
| Other income, net (Note 6) | $881M | $71M | $347M | $119M | $115M | $221M | $340M | $4.8B |
| Comprehensive Income Including Noncontrolling Interest | $934M | -$98M | — | $367M | $707M | $460M | $3.7B | $4.6B |
| Comprehensive Income Attributable to Parent | $934M | -$98M | — | $367M | $707M | $460M | $3.7B | $4.6B |
| Comprehensive Income Including Noncontrolling Interest | $934M | -$98M | — | $367M | $707M | $460M | $3.7B | $4.6B |
| Comprehensive income (loss), including noncontrolling interest | $934M | -$98M | — | $367M | $707M | $460M | $3.7B | $4.6B |
| Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest | $934M | -$98M | — | $367M | $707M | $460M | $3.7B | $4.6B |
| Comprehensive Income (Loss), Total | $934M | -$98M | — | $367M | $707M | $460M | $3.7B | $4.6B |
| Comprehensive Income, Including Noncontrolling Interest | $934M | -$98M | — | $367M | $707M | $460M | $3.7B | $4.6B |
| Comprehensive Income Including Noncontrolling Interest | $934M | -$98M | — | $367M | $707M | $460M | $3.7B | $4.6B |
| Total Comprehensive Income | $934M | -$98M | — | $367M | $707M | $460M | $3.7B | $4.6B |
| Comprehensive Income (Loss), Net of Tax, Attributable to Parent | $930M | -$96M | — | $353M | $729M | $459M | $3.7B | $4.6B |
| Other Comprehensive Income (Loss) | $930M | -$96M | — | $353M | $729M | $459M | $3.7B | $4.6B |
| Gain (Loss) On Purchase And Disposition Of Business Interests, Including Business Held For Sale | $854M | $8M | $288M | $21M | $1M | $44M | $119M | $4.4B |
| Cash Provided by (Used in) Investing Activity, Including Discontinued Operation | $537M | -$114M | -$175M | -$93M | -$121M | -$167M | -$374M | -$4.3B |
| Revenue recognized that was included in deferred income at the beginning of the period | — | — | — | $3.6B | — | — | — | $4B |
| Intangible assets, increase (decrease) | -$65M | -$56M | -$57M | -$40M | -$33M | $0 | -$20M | $3.8B |
| Debt issued (Note 13) | — | — | — | $0 | — | — | — | $2.6B |
| Property, plant, and equipment additions | $156M | $158M | $347M | $186M | $167M | $243M | $658M | $1.3B |
| Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation | — | — | — | -$98M | — | — | — | $1.3B |
| Treasury stock, value, acquired | $750K | $750K | $750K | $1.2B | $381M | $663M | $1.1B | $1.3B |
| Repurchase of common stock, excluding commission fees and excise taxes | — | — | — | $1.2B | $379M | $658M | $1.1B | $1.3B |
| Contract asset, revenues recognized | $1.4B | $1.2B | $1.8B | $1.3B | $1.5B | $1.1B | $1.6B | $1.3B |
| Payments for Repurchase of Common Stock | $0 | $40M | $3M | $1.1B | $480M | $660M | $1.1B | $1.3B |
| Increase (decrease) to net contractual service agreements due to billings | -$1.1B | -$1.4B | -$1.3B | -$1.2B | -$1.3B | -$1.2B | -$1.6B | -$1.2B |
| Increase (Decrease) in Inventories | $571M | — | — | $432M | $451M | $164M | $386M | $930M |
| Supply chain finance program, payments | $1B | $851M | $1B | $1.3B | $1B | $885M | $2B | $856M |
| Financing — other | $30M | $656M | $165M | -$86M | -$56M | -$45M | -$34M | -$711M |
| Increase (Decrease) in Other Receivables | -$374M | $653M | $1.3B | -$918M | -$113M | $468M | $2.5B | -$610M |
| Proceeds from principal business dispositions | — | — | $174M | $0 | $1M | $59M | $0 | $598M |
| Income Taxes Paid, Net | $115M | $126M | $324M | $145M | $218M | $126M | $341M | $534M |
| Income Taxes Paid, Net | $115M | $126M | $324M | $145M | $218M | $126M | $341M | $534M |
| Accounts payable and other current liabilities | $381M | $894M | $63M | -$269M | $476M | $359M | -$671M | $473M |
| Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | $35M | -$31M | $8M | -$135M | -$11M | -$13M | -$18M | -$464M |
| All other operating activities | -$498M | $528M | $131M | -$74M | -$680M | $0 | -$494M | -$457M |
| Cash Provided by (Used in) Financing Activity, Including Discontinued Operation | $970M | $585M | $163M | -$1.3B | -$604M | -$774M | -$1.2B | $442M |
| Increase (Decrease) in Contract with Customer, Asset | $138M | — | $175M | $345M | $302M | $9M | — | $417M |
| Increase (decrease) in contract and other deferred assets | $105M | — | — | $370M | $438M | — | — | $399M |
| Payments to Acquire Productive Assets | $157M | $159M | $350M | $186M | $173M | $247M | $671M | $397M |
| Increase (decrease) in other current liabilities | — | — | — | — | — | — | — | $381M |
| Depreciation and amortization | $254M | $399M | $269M | $205M | $205M | $213M | $230M | $341M |
| Sale of current customer receivables | $329M | $523M | $574M | $373M | $180M | $418M | $645M | $298M |
| Net interest and investment income (loss) | $21M | $21M | $18M | $16M | $17M | $91M | $144M | $263M |
| Change in Other Current Assets | $2M | $86M | — | -$67M | — | $379M | — | $256M |
| Increase (Decrease) in Other Current Assets | $2M | $86M | — | -$67M | — | $379M | — | $256M |
| Payment for (Proceeds from) Other Investing Activity | -$60M | -$43M | $216M | -$15M | -$34M | $107M | -$105M | -$183M |
| Dispositions of property, plant, and equipment | $9M | $3M | $9M | $34M | — | — | $6M | $177M |
| Amortization of capitalized software and acquired intangible assets | $63M | $63M | $89M | $56M | $60M | $61M | $61M | $176M |
| Depreciation | $191M | $336M | $180M | $149M | $145M | $152M | $169M | $166M |
| Other comprehensive income (loss) | -$346M | $0 | -$725M | $102M | $215M | $7M | $30M | -$164M |
| Dividends, Common Stock | $17.5M | $17.5M | $17.5M | $0 | $138M | $68M | $136M | $137M |
| Payments of Dividends | $0 | $0 | $0 | $69M | $70M | $68M | $68M | $137M |
| Benefit Cost (Income), Nonoperating | -$134M | -$130M | -$137M | -$115M | -$110M | -$115M | -$119M | -$134M |
| AOCI before reclass, net of taxes | $36M | $69M | -$635M | $165M | $277M | $75M | $56M | -$130M |
| Other Comprehensive Income (Loss) Before Reclassifications, Net of Tax | $36M | $69M | -$635M | $165M | $277M | $75M | $56M | -$130M |
| Principal pension plans – net (Note 13) | -$91M | -$94M | -$96M | -$89M | -$90M | -$89M | -$93M | -$90M |
| Contract with customer, favorable (unfavorable) change in estimated profitability | -$60M | -$46M | -$184M | $29M | -$71M | $0 | -$115M | -$89M |
| Other postretirement benefit plans – net (Note 13) | -$74M | -$68M | -$101M | -$44M | -$66M | -$57M | -$60M | -$80M |
| Foreign currency translation gains (losses) | -$117M | $99M | -$390M | $154M | $287M | $31M | $2M | -$72M |
| Foreign Currency Translation Adjustment, Net of Tax | -$117M | $99M | -$390M | $154M | $287M | $31M | $2M | -$72M |
| Operating Lease, Cost | — | — | — | $45M | — | — | — | $68M |
| Share-based compensation expense related to employee stock plans | $54M | $50M | $51M | $56M | $70M | $54M | $77M | $65M |
| OCI - Cash flow hedge, net of tax | $43M | -$20M | — | $21M | $14M | $27M | $5M | -$63M |
| Other comprehensive income (loss), net of tax | $43M | -$20M | — | $21M | $14M | $27M | $5M | -$63M |
| OCI Cash Flow Hedge Gain (Loss) | $43M | -$20M | — | $21M | $14M | $27M | $5M | -$63M |
| Unrealized Gains (Losses) on Hedge Instruments | $43M | -$20M | — | $21M | $14M | $27M | $5M | -$63M |
| Unrealized gains (losses) on hedge instruments | $43M | -$20M | — | $21M | $14M | $27M | $5M | -$63M |
| Currency exchange and other | -$43.5M | -$43.5M | -$43.5M | — | — | — | $113M | -$57M |
| Sales of and distributions from equity method investments | $2M | $1M | $212M | $90M | $1M | $157M | $216M | $44M |
| Defined contribution plan costs | $45M | $29M | $34M | $36M | $51M | $33M | $37M | $42M |
| Reclassification from AOCI | $176M | $68M | $116M | $63M | $61M | $68M | $27M | $34M |
| Payments for Restructuring | $74M | $63M | $40M | $46M | $33M | $47M | $29M | $34M |
| Reclassified net gains (losses) from AOCI into earnings | $176M | $68M | $116M | $63M | $61M | $68M | $27M | $34M |
| OCI Reclassifications to Net Income | $176M | $68M | $116M | $63M | $61M | $68M | $27M | $34M |
| OCI - Defined benefit plan, net of tax | $271M | $79M | $312M | $73M | $86M | $50M | — | $29M |
| Other Comprehensive Income (Loss) | $271M | $79M | $312M | $73M | $86M | $50M | — | $29M |
| OCI Defined Benefit Plan Net of Tax | $271M | $79M | $312M | $73M | $86M | $50M | — | $29M |
| Increase (decrease) in other assets | $177M | $278M | — | $213M | $306M | $124M | — | -$29M |
| Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | $271M | $79M | $312M | $73M | $86M | $50M | — | $29M |
| OCI Defined Benefit Plan, After Tax | $271M | $79M | $312M | $73M | $86M | $50M | — | $29M |
| OCI Pension Adjustments | $271M | $79M | $312M | $73M | $86M | $50M | — | $29M |
| OCI Pension Reclassification Adjustment, Pre-tax | $271M | $79M | $312M | $73M | $86M | $50M | — | $29M |
| Interest and other financial charges (income) | -$60M | -$36M | -$38M | -$56M | -$42M | -$44M | -$45M | -$28M |
| Separation costs (benefits) | -$91M | $27M | — | $45M | $34M | $43M | $58M | $23M |
| Changes in noncontrolling interests | -$10M | $548M | $331M | $4M | $27M | $12M | $31M | $19M |
| Effect of currency exchange rate changes on cash, cash equivalents, and restricted cash | -$34M | — | -$99M | $90M | $145M | $15M | — | -$16M |
| Other – net | $12M | $17M | $24M | $16M | $20M | $14M | $10M | $14M |
| OCI Cash Flow Hedge Before Reclassification and Tax | $23M | -$17M | — | $10M | $4M | $2M | $40M | -$13M |
| Cash flow hedges | $23M | -$17M | — | $10M | $4M | $2M | $40M | -$13M |
| Unrealized Gain (Loss) on Derivatives, Net | $23M | -$17M | — | $10M | $4M | $2M | $40M | -$13M |
| Payments to Acquire Equity Method Investments | $17M | $2M | $4M | $6M | $24M | $27M | $30M | $10M |
| Gain (loss) from cash flow effectiveness | $10M | $1M | $8M | $8M | $12M | $10M | $10M | $9M |
| Licensing income | $2M | $20M | $4M | $4M | $3M | $11M | $7M | $9M |
| OCI Attributable to Noncontrolling Interest | $4M | -$3M | $2M | $14M | -$22M | $1M | — | $7M |
| Less: comprehensive income attributable to noncontrolling interest | $4M | -$3M | $2M | $14M | -$22M | $1M | — | $7M |
| Net additions (releases) charged to costs and expenses | $20M | $15M | $0 | -$2M | $15M | -$14M | $3M | $7M |
| Comprehensive Income Attributable to Noncontrolling Interests | $4M | -$3M | $2M | $14M | -$22M | $1M | — | $7M |
| Comprehensive Income, Noncontrolling Interest | $4M | -$3M | $2M | $14M | -$22M | $1M | — | $7M |
| Gain (Loss) on Derivative Instruments, Net, Pretax | — | — | — | $2M | — | — | — | $5M |
| Net Income Loss Attributable To Noncontrolling Interest | -$14M | -$3M | $0 | $11M | -$22M | $1M | — | $4M |
| Foreign exchange and other | -$1M | -$34M | -$15M | $3M | $7M | — | — | $3M |
| Increase (decrease) in all other liabilities | $353M | $8M | — | $61M | $132M | $73M | — | $3M |
| Add: dilutive effect of potential common shares (in shares) | 5M | 0 | 3M | 4M | 3M | 3M | 4M | 3M |
| Accounts Receivable, Allowance for Credit Loss, Writeoff | $9M | $6M | $21M | $9M | $6M | $12M | $3M | $2M |
| Less: Net increase (decrease) in cash classified within assets held for sale | -$72M | — | — | $0 | $0 | $2M | $0 | -$2M |
| Net investment hedges | $1M | -$6M | $4M | -$2M | -$2M | $1M | — | $2M |
| Foreign exchange and other | $92M | $20M | — | -$25M | — | — | -$29M | -$2M |
| Number of shares purchased (in shares) | — | — | — | 4M | 1.2M | 1.1M | 8.2M | 1.8M |
| Number of operating segments | 0.75 | 0.75 | 0.75 | 3.00 | — | — | — | 3.00 |
| Number of reportable segments | 0.75 | 0.75 | 0.75 | 3.00 | — | — | — | 3.00 |
| Common Stock Dividends Per Share Declared | $0.1 | $0.1 | $0.1 | $0 | $0.5 | $0.3 | $0.5 | $0.5 |
| Common Stock Dividends Per Share | $0.1 | $0.1 | $0.1 | $0 | $0.5 | $0.3 | $0.5 | $0.5 |
| Dividends per share declared | $0.1 | $0.1 | $0.1 | $0 | $0.5 | $0.3 | $0.5 | $0.5 |
| Dividends per share declared | $0.1 | $0.1 | $0.1 | $0 | $0.5 | $0.3 | $0.5 | $0.5 |
| Common Stock Dividends Per Share Declared | $0.1 | $0.1 | $0.1 | $0 | $0.5 | $0.3 | $0.5 | $0.5 |
| Dividends declared (in dollars per share) | $0.06 | $0.06 | $0.06 | $0.00 | $0.50 | $0.25 | $0.50 | $0.50 |
| Common Stock Dividends Per Share Declared | $0.1 | $0.1 | $0.1 | $0 | $0.5 | $0.3 | $0.5 | $0.5 |
| Common Stock Dividends Per Share Declared | $0.1 | $0.1 | $0.1 | $0 | $0.5 | $0.3 | $0.5 | $0.5 |
| Effective tax rates | 20.1% | 18.9% | 37.6% | 20.5% | 23.7% | 39.2% | -72.5% | 6.9% |
| Share-Based Payment Tax Withholding Decrease | — | $40M | — | — | — | — | — | — |
| Interest Paid, Net | $18.5M | $18.5M | $18.5M | $13.3M | $13.3M | $13.3M | $13.3M | — |
| Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation | — | $40M | — | — | — | — | — | — |
| Stock options excluded as their inclusion would be anti-dilutive (in shares) | 2M | 6M | 1M | 1M | 1M | 1M | 1M | 0 |
| Federal | $68M | $68M | $68M | $70M | $70M | $70M | $70M | — |
| Foreign | $159M | $159M | $159M | $216.5M | $216.5M | $216.5M | $216.5M | — |
| Federal | -$2.5M | -$2.5M | -$2.5M | -$767.3M | -$767.3M | -$767.3M | -$767.3M | — |
| State | -$250K | -$250K | -$250K | -$127.8M | -$127.8M | -$127.8M | -$127.8M | — |
| Income taxes at U.S. statutory rate of 21% | $0.1 | $0.1 | $0.1 | $0.1 | $0.1 | $0.1 | $0.1 | — |
| Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent | $0.1 | $0.1 | $0.1 | — | — | — | — | — |
| Effective Income Tax Rate Reconciliation, Cross-Border, Other, Amount | — | — | — | -$5.5M | -$5.5M | -$5.5M | -$5.5M | — |
| Other | — | — | — | -$0 | -$0 | -$0 | -$0 | — |
| Effect of cross-border tax laws | $20M | $20M | $20M | — | — | — | — | — |
| Effect of cross-border tax laws | — | — | 3.2% | — | — | — | — | — |
| Business disposition | — | — | -7.7% | — | — | — | — | — |
| Foreign currency | — | — | — | -$9.8M | -$9.8M | -$9.8M | -$9.8M | — |
| Foreign currency | — | — | — | — | — | — | -1.4% | — |
| Foreign flow-through income, net of credits | — | — | — | — | — | — | 2.1% | — |
| Foreign flow-through income, net of credits | — | — | — | $15M | $15M | $15M | $15M | — |
| Global Intangible Low-taxed Income, net of credits | — | — | — | $13.3M | $13.3M | $13.3M | $13.3M | — |
| Global Intangible Low-taxed Income, net of credits | — | — | — | — | — | — | 1.9% | — |
| Other | — | — | — | $0 | $0 | $0 | $0 | — |
| Non-deductible foreign payments | — | — | — | — | — | — | 1.4% | — |
| Share-based compensation | — | — | -1.5% | — | — | — | — | — |
| Non-deductible foreign payments | — | — | — | $10.3M | $10.3M | $10.3M | $10.3M | — |
| Non-taxable business incentives | — | — | — | — | — | — | -2.8% | — |
| Non-taxable business incentives | — | — | — | -$20M | -$20M | -$20M | -$20M | — |
| Tax on undistributed foreign earnings | — | — | 4.1% | — | — | — | — | — |
| Excess tax benefits associated with employee equity plans (in percent) | — | — | — | — | — | — | -3.3% | — |
| State income taxes – net of federal income tax benefit | $0 | $0 | $0 | — | — | — | — | — |
| Subpart F income, net of credits | — | — | — | — | — | — | 2.9% | — |
| Subpart F income, net of credits | — | — | — | $20.3M | $20.3M | $20.3M | $20.3M | — |
| Changes in unrecognized tax benefits | — | — | -4.0% | — | — | — | 11.4% | — |
| Effective Income Tax Rate Reconciliation, Tax Credit, Other, Percent | — | — | 5.0% | — | — | — | — | — |
| Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent | — | — | — | — | — | — | 7.0% | — |
| Acquired intangibles | — | — | — | $31M | $31M | $31M | $31M | — |
| Gain (Loss), Foreign Currency Transaction, before Tax | $5M | $5M | $5M | -$42.5M | -$42.5M | -$42.5M | -$42.5M | — |
| Income Tax Expense (Benefit), Deferred Tax Asset Recognized | — | — | — | — | — | — | -$2.9B | — |
| Federal taxes | — | — | — | $0 | $0 | $0 | $0 | — |
| State taxes | — | — | — | $31.8M | $31.8M | $31.8M | $31.8M | — |
| Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | $161.8M | $161.8M | $161.8M | — | — | — | — | — |
| Business disposition | -$48.3M | -$48.3M | -$48.3M | — | — | — | — | — |
| Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | $131.3M | $131.3M | $131.3M | $148.5M | $148.5M | $148.5M | $148.5M | — |
| Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount | — | — | — | $9.5M | $9.5M | $9.5M | $9.5M | — |
| Share-based compensation | -$9.3M | -$9.3M | -$9.3M | — | — | — | — | — |
| Effective Income Tax Rate Reconciliation, Other Adjustments, Amount | -$500K | -$500K | -$500K | — | — | — | — | — |
| Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | $10.8M | $10.8M | $10.8M | — | — | — | — | — |
| Changes in unrecognized tax benefits | -$25.3M | -$25.3M | -$25.3M | $80.8M | $80.8M | $80.8M | $80.8M | — |
| Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount | $31.5M | $31.5M | $31.5M | — | — | — | — | — |
| Income taxes paid | $218M | $218M | $218M | — | — | — | — | — |
| Interest Paid, Excluding Capitalized Interest, Operating Activity | $18.5M | $18.5M | $18.5M | $13.3M | $13.3M | $13.3M | $13.3M | — |
| Taxes attributable to ownership interest sold | $61.3M | $61.3M | $61.3M | — | — | — | — | — |
| Number of taxing jurisdictions | 67.50 | 67.50 | 67.50 | 62.50 | 62.50 | 62.50 | 62.50 | — |
| Operating Lease Payments | $60.5M | $60.5M | $60.5M | $56.3M | $56.3M | $56.3M | $56.3M | — |
| Right Of Use Asset Obtained In Exchange For Operating Lease Liability | $64.8M | $64.8M | $64.8M | $77.3M | $77.3M | $77.3M | $77.3M | — |
| Other changes | -$11.3M | -$11.3M | -$11.3M | $18M | $18M | $18M | $18M | — |
| Standard Product Warranty Accrual, Decrease for Payments | $171.5M | $171.5M | $171.5M | $157.3M | $157.3M | $157.3M | $157.3M | — |
| Current-period accruals | $171.8M | $171.8M | $171.8M | $190M | $190M | $190M | $190M | — |
| Invoices confirmed during the period | $1B | $1B | $1B | $1.1B | $1.1B | $1.1B | $1.1B | — |
| Unrecognized tax benefits, settlements | $2.5M | $2.5M | $2.5M | $11M | $11M | $11M | $11M | — |
| Unrecognized Tax Benefits, Decrease Resulting from Foreign Currency Translation | $6M | $6M | $6M | — | — | — | — | — |
| Unrecognized tax benefit, penalty expense (benefit) | -$5.3M | -$5.3M | -$5.3M | $11.3M | $11.3M | $11.3M | $11.3M | — |
| Foreign currency effect | — | — | — | $5.5M | $5.5M | $5.5M | $5.5M | — |
| Additions for tax positions of prior years | $7.5M | $7.5M | $7.5M | $40.3M | $40.3M | $40.3M | $40.3M | — |
| Unrecognized tax benefit, interest expense (income) | -$4.8M | -$4.8M | -$4.8M | -$1.5M | -$1.5M | -$1.5M | -$1.5M | — |