| Weighted-average debt outstanding during period | $78.6B | $78.1B | $78.3B | $80.8B | $83.5B | $83.2B | $83B | $86.7B |
| Revenue | $19.8B | $20.2B | $21.9B | $20.9B | $21.1B | $22B | $24.3B | $23.1B |
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | $5.5B | $6.1B | $5.5B | $6.8B | $7B | $7.5B | $6.7B | $7.2B |
| Cash Provided by (Used in) Financing Activity, Including Discontinued Operation | -$4.1B | $507M | -$7.5B | $3.2B | -$7.2B | -$4.2B | -$1.8B | -$6.4B |
| Repayments of Long-Term Debt | $2.7B | $223M | $1.9B | $479M | $3.3B | $828M | $1.6B | $6.4B |
| Proceeds from issuance of long-term debt, net | $2.1B | $2.5B | $498M | $7.8B | -$6M | $498M | $3.7B | $6.4B |
| Net Proceeds from Issuance of Long-Term Debt | — | — | — | $7.8B | $0 | $498M | $3.7B | $6.4B |
| Purchase price | $2.3B | $650M | $4.7B | $2.5B | $2.5B | $2.5B | $2.5B | $5B |
| Payments for Repurchase of Common Stock | $2.4B | $560M | $4.7B | $2.5B | $2.6B | $2.5B | $2.4B | $4.8B |
| Cash Provided by (Used in) Investing Activity, Including Discontinued Operation | -$1.7B | -$3.3B | -$2.3B | -$3.4B | -$1.6B | -$10.1B | -$2.5B | -$2.8B |
| Capital Expenditures | $2B | $2B | $2.2B | $2.5B | $2.4B | $2.6B | $2.5B | $2.6B |
| Payments to Acquire Property, Plant, and Equipment | $2B | $2B | $2.2B | $2.5B | $2.4B | $2.6B | $2.5B | $2.6B |
| Comprehensive Income (Loss), Net of Tax, Attributable to Parent | $2.9B | $3.1B | $3B | $2.8B | $3.3B | $2.7B | $2.1B | $2.5B |
| Other Comprehensive Income (Loss) | $2.9B | $3.1B | $3B | $2.8B | $3.3B | $2.7B | $2.1B | $2.5B |
| Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation | $101.5M | $101.5M | $101.5M | $6.6B | — | — | — | -$2.1B |
| Short- and long-term operating lease liabilities | -$1.1B | -$805M | -$909M | -$898M | -$886M | -$936M | -$737M | -$1.2B |
| Increase (Decrease) in Operating Lease, Right-of-Use Asset | -$872M | -$877M | -$875M | -$855M | -$883M | -$929M | -$968M | -$1.2B |
| Payments of Ordinary Dividends, Common Stock | $759M | $758M | $1B | $1B | $996M | $987M | $1.1B | $1.1B |
| Cash Dividends, Common Stock | $759M | $758M | $1B | $1B | $996M | $987M | $1.1B | $1.1B |
| Dividends, Common Stock, Cash | $761M | $1B | $998M | $995M | $988M | $1.1B | $1.1B | $1.1B |
| Deferred and other income taxes | $747M | $817M | $841M | $771M | $937M | $797M | $359M | $682M |
| Net additions (releases) charged to costs and expenses | $255M | $299M | $356M | $323M | $265M | $337M | $445M | $426M |
| Financing Receivable, Allowance for Credit Loss, Writeoff | $288.8M | $288.8M | $288.8M | $324M | — | — | — | $410M |
| Accounts payable and other current liabilities | $38M | -$165M | -$180M | -$268M | $107M | $890M | $813M | -$408M |
| Change In Capital Expenditures Incurred But Not Yet Paid | -$232M | $41M | $1.2B | -$463M | -$131M | $136M | — | -$357M |
| Finance Lease Principal Payments | $351M | $347M | $342M | $315M | $331M | $318M | $288M | $304M |
| Payment for (Proceeds from) Other Investing Activity | $57M | -$74M | $60M | $90M | -$520M | $59M | — | $294M |
| Share-based compensation expense related to employee stock plans | $154M | $151M | $162M | $177M | $203M | $216M | $233M | $226M |
| Receivable With Write Offs, Net Amount | $133M | $144M | $151M | $158M | $140M | $174M | $192M | $217M |
| Stock-based compensation | $164M | $170M | $175M | $186M | $200M | $227M | $216M | $209M |
| All other operating activities | $81M | $111M | — | $170M | -$139M | $216M | $198M | $201M |
| Originated in 2024 | $86M | $63M | $46M | $128M | $93M | $78M | $67M | $166M |
| Change in Accounts Receivable | $1.3B | $734M | $652M | $93M | $338M | $366M | $0 | $162M |
| Increase (Decrease) in Accounts Receivable | $1.3B | $734M | $652M | $93M | $338M | $366M | $0 | $162M |
| Share-Based Payment Tax Withholding Decrease | $16M | $36M | $25M | $273M | $29M | $92M | $40M | $154M |
| Tax Withholding for Share-Based Payments | $16M | $36M | $25M | $272M | $30M | $92M | $40M | $154M |
| Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation | $16M | $36M | $25M | $273M | $29M | $92M | $40M | $154M |
| Payment, Tax Withholding, Share-Based Payment Arrangement | $16M | $36M | $25M | $272M | $30M | $92M | $40M | $154M |
| Stock issued for employee stock purchase plan | — | $79M | — | $125M | — | $89M | — | $135M |
| Other income, net (Note 6) | -$8M | $7M | $94M | -$46M | -$11M | -$78M | -$89M | -$132M |
| Change in Other Liabilities | -$360M | -$125M | -$21M | -$88M | -$82M | -$239M | $0 | -$109M |
| Other liabilities | -$360M | -$125M | -$21M | -$88M | -$82M | -$239M | $0 | -$109M |
| Proceeds from disposition of property, plant and equipment/other | $7M | $15M | $61M | $7M | $2.1B | $18M | $77M | $95M |
| Increase (Decrease) in Inventories | -$221M | $448M | -$188M | $318M | -$264M | $537M | $24M | -$86M |
| Change in Deferred Revenue | $255M | $30M | $98M | -$27M | $24M | $406M | $31M | -$85M |
| Increase (decrease) in contract liabilities and current deferred income | $255M | $30M | $98M | -$27M | $24M | $406M | $31M | -$85M |
| Increase (Decrease) in Contract with Customer, Asset | -$4M | $64M | $112M | $80M | $110M | $120M | $277M | $61M |
| Increase (Decrease) in Finance Receivables | -$155M | $72M | $883M | -$24M | -$65M | -$44M | $1B | $55M |
| Cash Flow Hedge Reclassification, After Tax | -$43M | -$44M | -$46M | -$46M | -$47M | -$48M | -$49M | -$50M |
| Originated prior to 2024 | $19M | $10M | $5M | $29M | $16M | $11M | $8M | $48M |
| Unamortized Imputed Discount and Allowance for Credit Losses, Impact from Sales of Receivables | $52M | $56M | $25M | $42M | $46M | $47M | $48M | $48M |
| Receivable With Imputed Interest, Discount, Increase (Decrease) | $14M | $42M | $112M | $36M | $14M | $50M | $125M | $42M |
| Gains (Losses) on Fair Value Hedges, Net of Tax | -$30M | -$12M | $58M | -$177M | $37M | -$20M | -$27M | -$36M |
| OCI Derivative Excluded Component, Net of Tax | -$30M | -$12M | $58M | -$177M | $37M | -$20M | -$27M | -$36M |
| Increase (Decrease) in Other Operating Assets | $416M | $19M | $136M | -$10M | $671M | $322M | $505M | -$33M |
| Payments to Acquire Intangible Assets | $156M | $2.4B | $835M | $73M | $842M | $1.6B | $63M | $26M |
| OCI - Cash Flow Hedge After Reclassification Tax | $15M | $15M | $15M | $16M | $16M | $16M | $17M | $17M |
| OCI Cash Flow Hedge Gain (Loss), After Tax, Parent | $15M | $15M | $15M | $16M | $16M | $16M | $17M | $17M |
| Other comprehensive income (loss) | $9M | $28M | $32M | -$132M | $81M | $27M | $33M | $13M |
| Fair value hedges, tax effect | $1.3M | $1.3M | $1.3M | -$61M | — | — | — | -$12M |
| Interest capitalized | $8M | $9M | $8M | $10M | $10M | $13M | $10M | $7M |
| Originated in 2025 | $28M | $71M | $100M | $1M | $31M | $85M | $117M | $3M |
| Add - Incremental shares associated with contingently issuable shares (in shares) | 2.4M | 3.7M | 4M | 4.1M | 2.1M | 2.9M | 3.1M | 1.9M |
| Payments to Acquire Businesses, Net of Cash Acquired | $390M | $0 | $0 | $727M | -$1M | $2.8B | $0 | $1M |
| Financing — other | -$34M | -$49M | -$48M | -$18M | -$30M | -$32M | -$31M | $1M |
| Other, net | $2.8M | $2.8M | $2.8M | $4M | — | — | — | $1M |
| Recognition of Net Gains/Losses on Benefit Obligations, Net of Taxes | -$4M | -$4M | -$72M | -$1M | -$2M | -$1M | $11M | -$1M |
| Amortization of Actuarial Gain, Net of Tax | -$4M | -$4M | -$72M | -$1M | -$2M | -$1M | $11M | -$1M |
| Customer classes | — | — | — | 2.00 | — | — | — | 2.00 |
| Portfolio segments | — | — | — | 2.00 | — | — | — | 2.00 |
| Common Stock Dividends Per Share Declared | $0.7 | $0.9 | $0.9 | $0.9 | $0.9 | $1 | $1 | $1 |
| Common Stock Dividends Per Share | $0.7 | $0.9 | $0.9 | $0.9 | $0.9 | $1 | $1 | $1 |
| Dividends per share declared | $0.7 | $0.9 | $0.9 | $0.9 | $0.9 | $1 | $1 | $1 |
| Dividends per share declared | $0.7 | $0.9 | $0.9 | $0.9 | $0.9 | $1 | $1 | $1 |
| Common Stock Dividends Per Share Declared | $0.7 | $0.9 | $0.9 | $0.9 | $0.9 | $1 | $1 | $1 |
| Dividends declared (in dollars per share) | $0.7 | $0.9 | $0.9 | $0.9 | $0.9 | $1 | $1 | $1 |
| Common Stock Dividends Per Share Declared | $0.7 | $0.9 | $0.9 | $0.9 | $0.9 | $1 | $1 | $1 |
| Common Stock Dividends Per Share Declared | $0.7 | $0.9 | $0.9 | $0.9 | $0.9 | $1 | $1 | $1 |
| Number of operating segments | — | — | — | 0.25 | 0.25 | 0.25 | 0.25 | 1.00 |
| Number of reportable segments | — | — | — | 0.25 | 0.25 | 0.25 | 0.25 | 1.00 |
| Effective interest rate | 4.1% | 4.0% | 4.1% | 4.0% | 4.1% | 4.2% | 4.2% | 4.2% |
| OCI Defined Benefit Plans, Tax | -$1M | -$2M | — | $0 | -$1M | $0 | — | $0 |
| OCI - Pension Tax Effect (Parent) | -$1M | -$2M | — | $0 | -$1M | $0 | — | $0 |
| Advertising costs | $775M | $775M | $775M | $925M | $925M | $925M | $925M | — |
| Asset Retirement Obligation, Liabilities Settled | $76.8M | $76.8M | $76.8M | — | — | — | $6M | — |
| Changes in estimated cash flows | $9M | $9M | $9M | $0 | $0 | $0 | $0 | — |
| Federal | $14.3M | $14.3M | $14.3M | $13.5M | $13.5M | $13.5M | $13.5M | — |
| Foreign | $4.3M | $4.3M | $4.3M | $19M | $19M | $19M | $19M | — |
| Federal | $685.8M | $685.8M | $685.8M | $652M | $652M | $652M | $652M | — |
| State | $87M | $87M | $87M | $54M | $54M | $54M | $54M | — |
| Defined Benefit Plan, Amortization of Gain (Loss) | $29.8M | $29.8M | $29.8M | $2M | $2M | $2M | $2M | — |
| Expected long-term rate of return on investments | — | — | 8.0% | — | — | — | 8.0% | — |
| Actual rate of return on plan assets during period | — | — | 6.0% | — | — | — | 16.0% | — |
| Expected long-term rate of return on plan assets | $0 | $0 | $0 | $0 | $0 | $0 | $0 | — |
| Contributions to benefit plan | $13M | $13M | $13M | $16.5M | $16.5M | $16.5M | $16.5M | — |
| Defined Benefit Plan, Expected Return (Loss) on Plan Assets | $24.8M | $24.8M | $24.8M | $13M | $13M | $13M | $13M | — |
| Interest cost | $20.8M | $20.8M | $20.8M | $12.5M | $12.5M | $12.5M | $12.5M | — |
| Percent at quoted price | — | — | 26.0% | — | — | — | 13.0% | — |
| Percent supported at unobservable inputs | — | — | 12.0% | — | — | — | 11.0% | — |
| Percent at similar assets | — | — | 62.0% | — | — | — | 76.0% | — |
| Defined contribution plan costs | $39.8M | $39.8M | $39.8M | $42.8M | $42.8M | $42.8M | $42.8M | — |
| Effect of exchange rate changes on cash, cash equivalents and restricted cash | $0 | $0 | $0 | $250K | $250K | $250K | $250K | — |
| Financing option, devices and accessories, interest rate (percent) | — | — | 0.0% | — | — | — | 0.0% | — |
| Federal taxes | $28.3M | $28.3M | $28.3M | $24.3M | $24.3M | $24.3M | $24.3M | — |
| Foreign | $2.3M | $2.3M | $2.3M | $5.8M | $5.8M | $5.8M | $5.8M | — |
| State taxes | $14.3M | $14.3M | $14.3M | $82.8M | $82.8M | $82.8M | $82.8M | — |
| Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount | $772.3M | $772.3M | $772.3M | $749.8M | $749.8M | $749.8M | $749.8M | — |
| Foreign currency translation gains (losses) | $0 | $0 | $0 | — | -$1M | $0 | — | — |
| Pension and other postretirement benefit, tax | -$7.3M | -$7.3M | -$7.3M | $500K | $500K | $500K | $500K | — |
| Payments to Acquire Equity Method Investments | $0 | $0 | $18M | $75M | $908M | $3.1B | $1M | $0 |
| Number of trailing trading-day | — | — | — | 11.25 | 11.25 | 11.25 | 11.25 | — |
| Unrecognized tax benefits, settlements | $2.8M | $2.8M | $2.8M | $15.5M | $15.5M | $15.5M | $15.5M | — |
| Additions for tax positions of prior years | $35M | $35M | $35M | $17.5M | $17.5M | $17.5M | $17.5M | — |
