| Cash Provided by (Used in) Financing Activity, Including Discontinued Operation | -$2.4B | -$2.4B | -$2.4B | -$974.8M | -$974.8M | -$974.8M | -$974.8M | -$6.0B |
| Payments for Repurchase of Common Stock | $1.9B | $1.9B | $1.9B | $1.3B | $1.3B | $1.3B | $1.3B | $5.0B |
| Payments to Acquire Finance Receivables | $3.9B | $3.9B | $3.9B | $3.8B | $3.8B | $3.8B | $3.8B | $3.9B |
| Collections of finance receivables | $3.4B | $3.4B | $3.4B | $3.4B | $3.4B | $3.4B | $3.4B | $3.9B |
| Reclassifications Net of Tax | $2.7B | $2.5B | $2.8B | $2.0B | $2.2B | $2.3B | $2.4B | $2.5B |
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | $3.0B | $3.0B | $3.0B | $2.9B | $2.9B | $2.9B | $2.9B | $1.9B |
| Cash Provided by (Used in) Investing Activity, Including Discontinued Operation | -$613.3M | -$613.3M | -$613.3M | -$1.2B | -$1.2B | -$1.2B | -$1.2B | -$1.8B |
| Increase (Decrease) in Inventories | $103.5M | $103.5M | $103.5M | $369.3M | $369.3M | $369.3M | $369.3M | $1.5B |
| Change in Deferred Revenue | $92.5M | $92.5M | $92.5M | $483.3M | $483.3M | $483.3M | $483.3M | $1.3B |
| Increase (decrease) in contract liabilities and current deferred income | $92.5M | $92.5M | $92.5M | $483.3M | $483.3M | $483.3M | $483.3M | $1.3B |
| Accrued compensation and employee benefits | -$90.8M | -$90.8M | -$90.8M | $46.8M | $46.8M | $46.8M | $46.8M | -$1.1B |
| Accounts payable | -$70.5M | -$70.5M | -$70.5M | $294.8M | $294.8M | $294.8M | $294.8M | $938.0M |
| Short-term borrowings/(repayments) less than 90 days — net | -$42.0M | -$42.0M | -$42.0M | $276.5M | $276.5M | $276.5M | $276.5M | -$808.0M |
| Payments to Acquire Businesses, Net of Cash Acquired | $8.5M | $8.5M | $8.5M | $11.8M | $11.8M | $11.8M | $11.8M | $788.0M |
| Capital Expenditures | $497.0M | $497.0M | $497.0M | $705.3M | $705.3M | $705.3M | $705.3M | $728.0M |
| Payments to Acquire Property, Plant, and Equipment | $497.0M | $497.0M | $497.0M | $705.3M | $705.3M | $705.3M | $705.3M | $728.0M |
| Payments of Ordinary Dividends, Common Stock | $661.5M | $661.5M | $661.5M | $687.3M | $687.3M | $687.3M | $687.3M | $703.0M |
| Cash Dividends, Common Stock | $661.5M | $661.5M | $661.5M | $687.3M | $687.3M | $687.3M | $687.3M | $703.0M |
| Deferred taxes | -$155.3M | -$155.3M | -$155.3M | $116.3M | $116.3M | $116.3M | $116.3M | $534.0M |
| Change in Other Liabilities | -$26.0M | -$26.0M | -$26.0M | -$73.5M | -$73.5M | -$73.5M | -$73.5M | -$330.0M |
| Other liabilities | -$26.0M | -$26.0M | -$26.0M | -$73.5M | -$73.5M | -$73.5M | -$73.5M | -$330.0M |
| Other income, net | -$556.0M | -$355.0M | -$344.0M | -$306.0M | -$321.0M | -$190.0M | -$377.0M | -$326.0M |
| Payments To Acquire Equipment On Lease | $306.8M | $306.8M | $306.8M | $366.3M | $366.3M | $366.3M | $366.3M | $323.0M |
| Other income, net (Note 6) | $155.0M | $76.0M | $426.0M | $107.0M | $84.0M | $208.0M | $493.0M | $260.0M |
| Accrued liabilities | $47.8M | $47.8M | $47.8M | $109.5M | $109.5M | $109.5M | $109.5M | -$202.0M |
| Dispositions of property, plant, and equipment | $180.5M | $180.5M | $180.5M | $177.0M | $177.0M | $177.0M | $177.0M | $191.0M |
| Increase (Decrease) in Other Operating Assets | $24.3M | $24.3M | $24.3M | $44.0M | $44.0M | $44.0M | $44.0M | $184.0M |
| Proceeds from issuance of shares | $5.0M | $5.0M | $5.0M | -$4.0M | -$4.0M | -$4.0M | -$4.0M | -$97.0M |
| Other Noncash Income (Expense) | -$141.0M | -$141.0M | -$141.0M | -$185.5M | -$185.5M | -$185.5M | -$185.5M | -$68.0M |
| Payment for (Proceeds from) Other Investing Activity | -$48.3M | -$48.3M | -$48.3M | -$18.8M | -$18.8M | -$18.8M | -$18.8M | $20.0M |
| Proceeds from Sale of Finance Receivables | $20.8M | $20.8M | $20.8M | $17.8M | $17.8M | $17.8M | $17.8M | $13.0M |
| Change in Fair Value of Cash Flow Hedges | -$28.3M | -$28.3M | -$28.3M | $21.3M | $21.3M | $21.3M | $21.3M | — |
| Comprehensive Income Including Noncontrolling Interest | $2.5B | $2.5B | $2.5B | $2.4B | $2.4B | $2.4B | $2.4B | — |
| Goodwill Translation and Purchase Accounting Adjustments | -$16.8M | -$16.8M | -$16.8M | $20.0M | $20.0M | $20.0M | $20.0M | — |
| OCI - Available-for-sale securities, net of tax | $500.0K | $500.0K | $500.0K | $16.5M | $16.5M | $16.5M | $16.5M | — |
| OCI - Cash flow hedge, net of tax | -$28.3M | -$28.3M | -$28.3M | $21.3M | $21.3M | $21.3M | $21.3M | — |
| OCI - Defined benefit plan, net of tax | $3.0M | $3.0M | $3.0M | $2.3M | $2.3M | $2.3M | $2.3M | — |
| Other comprehensive income (loss), net of tax | -$28.3M | -$28.3M | -$28.3M | $21.3M | $21.3M | $21.3M | $21.3M | — |
| Comprehensive Income Attributable to Parent | $2.5B | $2.5B | $2.5B | $2.4B | $2.4B | $2.4B | $2.4B | — |
| Other Comprehensive Income (Loss) | $3.0M | $3.0M | $3.0M | $2.3M | $2.3M | $2.3M | $2.3M | — |
| Unrealized Gain (Loss) on Hedging Activities | -$28.3M | -$28.3M | -$28.3M | $21.3M | $21.3M | $21.3M | $21.3M | — |
| OCI Cash Flow Hedge Gain (Loss) | -$28.3M | -$28.3M | -$28.3M | $21.3M | $21.3M | $21.3M | $21.3M | — |
| OCI Net Unrealized Gain (Loss) on Securities | $500.0K | $500.0K | $500.0K | $16.5M | $16.5M | $16.5M | $16.5M | — |
| OCI Available for Sale Securities Adjustment | $500.0K | $500.0K | $500.0K | $16.5M | $16.5M | $16.5M | $16.5M | — |
| Comprehensive Income Including Noncontrolling Interest | $2.5B | $2.5B | $2.5B | $2.4B | $2.4B | $2.4B | $2.4B | — |
| OCI Defined Benefit Plan Net of Tax | $3.0M | $3.0M | $3.0M | $2.3M | $2.3M | $2.3M | $2.3M | — |
| Unrealized Gains (Losses) on Hedge Instruments | -$28.3M | -$28.3M | -$28.3M | $21.3M | $21.3M | $21.3M | $21.3M | — |
| Unrealized Gains on Available-for-Sale Securities | $500.0K | $500.0K | $500.0K | $16.5M | $16.5M | $16.5M | $16.5M | — |
| Income Taxes Paid, Net | — | — | — | $551.5M | $551.5M | $551.5M | $551.5M | — |
| Interest Paid, Net | $434.5M | $434.5M | $434.5M | $460.5M | $460.5M | $460.5M | $460.5M | — |
| OCI - Available-for-Sale Securities, Net of Tax | $500.0K | $500.0K | $500.0K | $16.5M | $16.5M | $16.5M | $16.5M | — |
| OCI - Cash Flow Hedges, Net of Tax | -$28.3M | -$28.3M | -$28.3M | $21.3M | $21.3M | $21.3M | $21.3M | — |
| Comprehensive income (loss), including noncontrolling interest | $2.5B | $2.5B | $2.5B | $2.4B | $2.4B | $2.4B | $2.4B | — |
| Outstanding authorized accelerated share repurchase | $75.0M | $75.0M | $75.0M | — | — | — | — | — |
| APIC, Share-Based Payment Arrangement, Option, Increase for Cost Recognition | $55.8M | $55.8M | $55.8M | $57.5M | $57.5M | $57.5M | $57.5M | — |
| Share-based compensation expense related to employee stock plans | $55.8M | $55.8M | $55.8M | $60.5M | $60.5M | $60.5M | $60.5M | — |
| Pre-tax stock-based compensation cost | $55.8M | $55.8M | $55.8M | $60.5M | $60.5M | $60.5M | $60.5M | — |
| Amortization of capitalized software and acquired intangible assets | $44.0M | $44.0M | $44.0M | $42.3M | $42.3M | $42.3M | $42.3M | — |
| Stock options excluded as their inclusion would be anti-dilutive (in shares) | $75.0K | $75.0K | $75.0K | $25.0K | $25.0K | $25.0K | $25.0K | — |
| Common shares issued from treasury stock for stock-based compensation (in shares) | — | — | 2M | — | — | — | 1.4M | — |
| Comprehensive Income (Loss), Net of Tax, Attributable to Parent | $2.5B | $2.5B | $2.5B | $2.4B | $2.4B | $2.4B | $2.4B | — |
| Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest | $2.5B | $2.5B | $2.5B | $2.4B | $2.4B | $2.4B | $2.4B | — |
| Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Estimate of Transaction Price | — | — | — | -$124.3M | -$124.3M | -$124.3M | -$124.3M | — |
| Corporate Costs | $222.3M | $222.3M | $222.3M | $251.5M | $251.5M | $251.5M | $251.5M | — |
| Cost Centers | $250.0K | $250.0K | $250.0K | $2.8M | $2.8M | $2.8M | $2.8M | — |
| Currency | $36.3M | $36.3M | $36.3M | -$20.3M | -$20.3M | -$20.3M | -$20.3M | — |
| Federal | $396.0M | $396.0M | $396.0M | $201.0M | $201.0M | $201.0M | $201.0M | — |
| Foreign | $382.8M | $382.8M | $382.8M | $347.5M | $347.5M | $347.5M | $347.5M | — |
| Federal | -$138.3M | -$138.3M | -$138.3M | $98.3M | $98.3M | $98.3M | $98.3M | — |
| State | $250.0K | $250.0K | $250.0K | $4.0M | $4.0M | $4.0M | $4.0M | — |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | $16.8M | $16.8M | $16.8M | $46.3M | $46.3M | $46.3M | $46.3M | — |
| Depreciation | $495.8M | $495.8M | $495.8M | $523.3M | $523.3M | $523.3M | $523.3M | — |
| Dividends, Common Stock, Cash | $672.5M | $672.5M | $672.5M | $697.0M | $697.0M | $697.0M | $697.0M | — |
| Effective tax rates | $0.0 | $0.0 | $0.0 | $0.1 | $0.1 | $0.1 | $0.1 | — |
| Income taxes at U.S. statutory rate of 21% | $0.1 | $0.1 | $0.1 | $0.1 | $0.1 | $0.1 | $0.1 | — |
| Foreign operations | $0.0 | $0.0 | $0.0 | — | — | — | — | — |
| Other | — | — | — | $0.0 | $0.0 | $0.0 | $0.0 | — |
| Effective Income Tax Rate Reconciliation, Tax Law Change, Currency Translation, Percent | — | — | 1.7% | — | — | — | — | — |
| Tax law change related to currency translation | $56.0M | $56.0M | $56.0M | — | — | — | — | — |
| Effective Income Tax Rate Reconciliation, U.S. Tax Incentive (as a percent) | — | — | 1.8% | — | — | — | — | — |
| Share-Based Payment Arrangement, Expense, Tax Benefit | $7.5M | $7.5M | $7.5M | $9.5M | $9.5M | $9.5M | $9.5M | — |
| Financing Receivable Allowance for Credit Losses, Other Activity | $8.5M | $8.5M | $8.5M | -$1.8M | -$1.8M | -$1.8M | -$1.8M | — |
| Recoveries | $14.3M | $14.3M | $14.3M | $11.8M | $11.8M | $11.8M | $11.8M | — |
| Fully amortized finite-lived intangibles | — | — | — | $62.0M | $62.0M | $62.0M | $62.0M | — |
| Gain (Loss), Foreign Currency Transaction, before Tax | $17.8M | $17.8M | $17.8M | -$42.0M | -$42.0M | -$42.0M | -$42.0M | — |
| Timing | $33.3M | $33.3M | $33.3M | -$43.8M | -$43.8M | -$43.8M | -$43.8M | — |
| Translation and other | -$16.8M | -$16.8M | -$16.8M | $20.0M | $20.0M | $20.0M | $20.0M | — |
| Federal taxes | — | — | — | $151.3M | $151.3M | $151.3M | $151.3M | — |
| State taxes | — | — | — | $34.5M | $34.5M | $34.5M | $34.5M | — |
| Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | $702.3M | $702.3M | $702.3M | $606.0M | $606.0M | $606.0M | $606.0M | — |
| Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount | — | — | — | $44.8M | $44.8M | $44.8M | $44.8M | — |
| Effective Income Tax Rate Reconciliation, Other Adjustments, Amount | $25.8M | $25.8M | $25.8M | — | — | — | — | — |
| Income Tax Reconciliation, U.S. Tax Incentives | $61.3M | $61.3M | $61.3M | — | — | — | — | — |
| Income taxes paid | $781.5M | $781.5M | $781.5M | $551.5M | $551.5M | $551.5M | $551.5M | — |
| Income Taxes Paid, Net | — | — | — | $551.5M | $551.5M | $551.5M | $551.5M | — |
| Add - Incremental shares under stock-based compensation plans (in shares) | $675.0K | $675.0K | $675.0K | $575.0K | $575.0K | $575.0K | $575.0K | — |
| Interest Paid, Excluding Capitalized Interest, Operating Activity | $434.5M | $434.5M | $434.5M | $460.5M | $460.5M | $460.5M | $460.5M | — |
| Net interest and investment income (loss) | $120.5M | $120.5M | $120.5M | $104.0M | $104.0M | $104.0M | $104.0M | — |
| Lease Income | $413.0M | $413.0M | $413.0M | $422.3M | $422.3M | $422.3M | $422.3M | — |
| Net Income Loss Attributable To Noncontrolling Interest | -$1.0M | -$1.0M | -$1.0M | -$500.0K | -$500.0K | -$500.0K | -$500.0K | — |
| Number of countries served by dealers | 46.75 | 46.75 | 46.75 | 47.50 | 47.50 | 47.50 | 47.50 | — |
| Number of group presidents | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | — |
| Number of operating segments | $1.3 | $1.3 | $1.3 | $1.3 | $1.3 | $1.3 | $1.3 | — |
| Lease income — operating leases | $303.0M | $303.0M | $303.0M | $304.0M | $304.0M | $304.0M | $304.0M | — |
| Operating Lease Payments | $44.8M | $44.8M | $44.8M | $46.3M | $46.3M | $46.3M | $46.3M | — |
| Unrealized gains (losses) on available-for-sale securities | $500.0K | $500.0K | $500.0K | $16.5M | $16.5M | $16.5M | $16.5M | — |
| Unrealized gains (losses) on hedge instruments | -$28.3M | -$28.3M | -$28.3M | $21.3M | $21.3M | $21.3M | $21.3M | — |
| Foreign currency translation gains (losses) | -$132.0M | -$132.0M | -$132.0M | $139.3M | $139.3M | $139.3M | $139.3M | — |
| Other comprehensive income (loss) | -$162.8M | -$162.8M | -$162.8M | $174.8M | $174.8M | $174.8M | $174.8M | — |
| Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | $3.0M | $3.0M | $3.0M | $2.3M | $2.3M | $2.3M | $2.3M | — |
| Other Methodology Differences | $20.3M | $20.3M | $20.3M | $33.5M | $33.5M | $33.5M | $33.5M | — |
| Other income/expense methodology differences | -$185.0M | -$185.0M | -$185.0M | -$117.5M | -$117.5M | -$117.5M | -$117.5M | — |
| Payments to Acquire Marketable Securities | $373.8M | $373.8M | $373.8M | $482.5M | $482.5M | $482.5M | $482.5M | — |
| Divestiture of businesses, net of cash transferred | -$15.3M | -$15.3M | -$15.3M | $5.5M | $5.5M | $5.5M | $5.5M | $0.0 |
| Proceeds from maturities of marketable securities | $788.8M | $788.8M | $788.8M | $623.5M | $623.5M | $623.5M | $623.5M | — |
| Sale of investments | $305.8M | $305.8M | $305.8M | $541.5M | $541.5M | $541.5M | $541.5M | — |
| Standard and Extended Product Warranty Accrual, Decrease for Payments | $206.0M | $206.0M | $206.0M | $209.0M | $209.0M | $209.0M | $209.0M | — |
| Total provisions for credit losses | $21.0M | $21.0M | $21.0M | $27.3M | $27.3M | $27.3M | $27.3M | — |
| Right Of Use Asset Obtained In Exchange For Operating Lease Liability | $46.8M | $46.8M | $46.8M | $64.8M | $64.8M | $64.8M | $64.8M | — |
| Sales-type lease selling price | $110.0M | $110.0M | $110.0M | $118.3M | $118.3M | $118.3M | $118.3M | — |
| Property, plant, and equipment additions | $803.8M | $803.8M | $803.8M | $1.1B | $1.1B | $1.1B | $1.1B | — |
| Granted (in shares) | — | — | 296.3K | — | — | — | 299.5K | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period | — | — | 25.5K | — | — | — | 17.4K | — |
| Forfeited or expired (in shares) | — | — | $202.08 | — | — | — | $232.23 | — |
| Granted (in shares) | — | — | $338.65 | — | — | — | $331.62 | — |
| Exercised (in shares) | — | — | $141.77 | — | — | — | $159.25 | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period | — | — | 1.7M | — | — | — | 997.9K | — |
| Stockholders' Equity, Other | $500.0K | $500.0K | $500.0K | $1.3M | $1.3M | $1.3M | $1.3M | — |
| Supply chain finance program, payments | $1.3B | $1.3B | $1.3B | $1.4B | $1.4B | $1.4B | $1.4B | — |
| Invoices confirmed during the period | $1.3B | $1.3B | $1.3B | $1.4B | $1.4B | $1.4B | $1.4B | — |
| Number of shares purchased (in shares) | — | — | 23.4M | — | — | — | 14.1M | — |
| Treasury stock, value, acquired | $2.0B | $2.0B | $2.0B | $1.3B | $1.3B | $1.3B | $1.3B | — |
| Unrecognized tax benefits, settlements | $15.0M | $15.0M | $15.0M | $7.3M | $7.3M | $7.3M | $7.3M | — |
| Additions for tax positions of prior years | $12.3M | $12.3M | $12.3M | $8.8M | $8.8M | $8.8M | $8.8M | — |
| Value of Common Shares Issued from Treasury Stock for Stock-based Compensation | $5.0M | $5.0M | $5.0M | -$4.0M | -$4.0M | -$4.0M | -$4.0M | — |
| Comprehensive Income (Loss), Total | $2.5B | $2.5B | $2.5B | $2.4B | $2.4B | $2.4B | $2.4B | — |
| Comprehensive Income, Including Noncontrolling Interest | $2.5B | $2.5B | $2.5B | $2.4B | $2.4B | $2.4B | $2.4B | — |
| Foreign Currency Translation Adjustment, Net of Tax | -$132.0M | -$132.0M | -$132.0M | $139.3M | $139.3M | $139.3M | $139.3M | — |
| OCI Cash Flow Hedge Gain (Loss), After Tax, Parent | -$28.3M | -$28.3M | -$28.3M | $21.3M | $21.3M | $21.3M | $21.3M | — |
| OCI Cash Flow Hedge Reclassification, After Tax | -$28.3M | -$28.3M | -$28.3M | $21.3M | $21.3M | $21.3M | $21.3M | — |
| OCI Defined Benefit Plan, After Tax | $3.0M | $3.0M | $3.0M | $2.3M | $2.3M | $2.3M | $2.3M | — |
| Other Comprehensive Income (Loss) | $500.0K | $500.0K | $500.0K | $16.5M | $16.5M | $16.5M | $16.5M | — |
| OCI Pension Adjustments | $3.0M | $3.0M | $3.0M | $2.3M | $2.3M | $2.3M | $2.3M | — |
| Unrealized Gain (Loss) on Derivatives | -$28.3M | -$28.3M | -$28.3M | $21.3M | $21.3M | $21.3M | $21.3M | — |
| Comprehensive Income Including Noncontrolling Interest | $2.5B | $2.5B | $2.5B | $2.4B | $2.4B | $2.4B | $2.4B | — |
| OCI Available for Sale Securities Adjustment, Net of Tax | $500.0K | $500.0K | $500.0K | $16.5M | $16.5M | $16.5M | $16.5M | — |
| Total Comprehensive Income | $2.5B | $2.5B | $2.5B | $2.4B | $2.4B | $2.4B | $2.4B | — |
| OCI Pension Reclassification Adjustment, Pre-tax | $3.0M | $3.0M | $3.0M | $2.3M | $2.3M | $2.3M | $2.3M | — |
| OCI Unrealized Gain (Loss) on Securities, Pre-tax | $500.0K | $500.0K | $500.0K | $16.5M | $16.5M | $16.5M | $16.5M | — |