| Stockholders' Equity before Treasury Stock | $101.0B | $102.3B | $104.6B | $107.7B | $109.5B | $113.6B | $115.6B | $109.6B |
| Debt Instrument, Fair Value Disclosure | $33.5B | $35.2B | $32.6B | $30.6B | $31.3B | $37.7B | $45.6B | $44.7B |
| Aggregate Notional Principal Outstanding | $33.1B | $35.3B | $38.6B | $42.4B | $44.7B | $42.9B | $40.3B | $42.1B |
| Notional | $33.1B | $35.3B | $38.6B | $42.4B | $44.7B | $42.9B | $40.3B | $42.1B |
| Inventory Net And Inventory Noncurrent | $9.9B | $10.2B | $10.3B | $10.8B | $11.5B | $11.9B | $12.3B | $12.7B |
| Raw materials and work in process | $8.5B | $8.8B | $8.8B | $9.2B | $9.9B | $10.2B | $10.6B | $11.1B |
| Common stock, shares authorized (in shares) | 6.5B | 6.5B | 6.5B | 6.5B | 6.5B | 6.5B | 6.5B | 6.5B |
| Common stock, shares issued (in shares) | 3.6B | 3.6B | 3.6B | 3.6B | 3.6B | 3.6B | 3.6B | 3.6B |
| Carrying values of hedged liabilities | — | — | — | — | — | — | $1.8B | $2.5B |
| Short-term debt and current portion of long-term debt | $3.1B | $3.1B | $2.6B | $1.4B | $1.4B | $1.4B | $2.6B | $2.4B |
| Debt Securities and Equity Securities, FV-NI | $1.2B | $1.1B | $1.5B | $1.7B | $1.9B | $1.7B | $1.5B | $2.0B |
| Deferred income taxes | $876.0M | $864.0M | $1.4B | $1.4B | $1.4B | $1.4B | $1.4B | $1.5B |
| Treasury stock, shares (in shares) | 1B | 1B | 1B | 1.1B | 1.1B | 1.1B | 1.1B | 1.1B |
| Inventory, LIFO Reserve | — | — | — | — | — | — | $912.0M | $1.0B |
| Trading securities, cost | $936.0M | $848.0M | $863.0M | $872.0M | $870.0M | $834.0M | $831.0M | $881.0M |
| Other financial assets | — | — | $546.0M | — | — | — | $537.0M | $567.0M |
| Derivative, gross, assets | $491.0M | $340.0M | $729.0M | $410.0M | $546.0M | $316.0M | $323.0M | $562.0M |
| Total | $127.0M | $81.0M | $536.0M | $690.0M | $707.0M | $145.0M | $101.0M | $476.0M |
| Available for sale investments | $127.0M | $81.0M | $536.0M | $690.0M | $707.0M | $145.0M | $101.0M | $476.0M |
| Derivative Asset, Subject to Master Netting Arrangement, after Offset | $254.0M | $115.0M | $265.0M | $148.0M | $97.0M | $69.0M | $77.0M | $248.0M |
| Gross Assets/Liabilities | $142.0M | $298.0M | $345.0M | $268.0M | $855.0M | $492.0M | $324.0M | $229.0M |
| Derivatives, gross, liabilities | $142.0M | $298.0M | $345.0M | $268.0M | $855.0M | $492.0M | $324.0M | $229.0M |
| Derivative Liability | $142.0M | $298.0M | $345.0M | $268.0M | $855.0M | $492.0M | $324.0M | $229.0M |
| Potential reduction in net position of total derivative assets | — | — | — | — | — | — | $245.0M | $225.0M |
| Potential reduction in net position of total derivative liabilities | $114.0M | $225.0M | $299.0M | $239.0M | $445.0M | $246.0M | $245.0M | $225.0M |
| Allowance for doubtful accounts | $82.0M | $79.0M | $89.0M | $93.0M | $94.0M | $93.0M | $97.0M | $103.0M |
| Margin cash collateral received from counterparties that was not offset against derivative assets | — | — | — | — | — | — | $1.0M | $89.0M |
| AOCI - Cash Flow Hedge Reclassification (Next 12 Months) | $190.0M | -$161.0M | $262.0M | $16.0M | -$473.0M | -$298.0M | -$178.0M | -$69.0M |
| Cumulative amount of fair value hedging adjustment | — | — | — | — | — | — | $70.0M | $57.0M |
| Noncontrolling interests in subsidiaries | $66.0M | $58.0M | $59.0M | $65.0M | $67.0M | $57.0M | $56.0M | $53.0M |
| Derivative Liability, Subject to Master Netting Arrangement, after Offset | $28.0M | $73.0M | $46.0M | $29.0M | $313.0M | $246.0M | $79.0M | $4.0M |
| Common stock, par value (in dollars per share) | $0.50 | $0.50 | $0.50 | $0.50 | $0.50 | $0.50 | $0.50 | $0.50 |
| Long-term debt interest payments - 2024 | — | — | $1.1B | — | — | — | $1.7B | — |
| Long-term debt interest payments - 2025 | — | — | $1.1B | — | — | — | $1.6B | — |
| Long-term debt interest payments - 2026 | — | — | $1.0B | — | — | — | $1.5B | — |
| Accrual for Environmental Loss Contingencies | — | — | $41.0M | — | — | — | $42.0M | — |
| Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax | $0.0 | $0.0 | $0.0 | $0.0 | $0.0 | $0.0 | $0.0 | $0.0 |
| Gross Unrealized Gains | $0.0 | $0.0 | $0.0 | $0.0 | $0.0 | $0.0 | $0.0 | $0.0 |
| Construction work in progress | — | — | $8.0B | — | — | — | $9.2B | — |
| Deferred Tax Liabilities, Gross | — | — | $3.1B | — | — | — | $5.6B | — |
| Deferred Tax Assets, Goodwill and Intangible Assets | — | — | $71.0M | — | — | — | $140.0M | — |
| Deferred Tax Assets, Gross | — | — | $6.0B | — | — | — | $7.6B | — |
| Deferred Tax Assets, Net | — | — | $2.2B | — | — | — | $1.2B | — |
| Deferred Tax Assets, Net of Valuation Allowance | — | — | $5.3B | — | — | — | $6.7B | — |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits | — | — | $224.0M | — | — | — | $117.0M | — |
| Deferred Tax Assets, Valuation Allowance | — | — | $710.0M | — | — | — | $824.0M | — |
| Federal and state intangible assets | — | — | $978.0M | — | — | — | $3.3B | — |
| Deferred Tax Liabilities, Other | — | — | $159.0M | — | — | — | $134.0M | — |
| Deferred Tax Liabilities, Property, Plant and Equipment | — | — | $645.0M | — | — | — | $594.0M | — |
| Margin cash collateral provided to counterparties that was not offset against derivative assets or liabilities | — | — | — | — | — | — | $0.0 | $0.0 |
| Finite-Lived Intangible Assets, Accumulated Amortization | — | — | $25.8B | — | — | — | $28.7B | — |
| 2028 | — | — | $2.3B | — | — | — | $3.6B | — |
| 2030 | — | — | $1.8B | — | — | — | $3.0B | — |
| 2031 | — | — | $1.5B | — | — | — | $2.7B | — |
| 2027 | — | — | $2.4B | — | — | — | $3.8B | — |
| 2029 | — | — | $2.1B | — | — | — | $3.3B | — |
| Goodwill accumulated impairment losses | — | — | $531.0M | — | — | — | $531.0M | — |
| Indefinite- lived intangible impairment | — | — | $42.2B | — | — | — | $55.4B | — |
| Committed Revolving Credit Facilities | — | — | $6.0B | — | — | — | $6.0B | — |
| 2028 | — | — | $2.2B | — | — | — | $2.7B | — |
| 2029 | — | — | $1.5B | — | — | — | $2.1B | — |
| 2029 | — | — | $1.7B | — | — | — | $2.7B | — |
| 2030 | — | — | $2.1B | — | — | — | $3.0B | — |
| 2027 | — | — | $2.6B | — | — | — | $2.6B | — |
| Preferred Stock, Shares Authorized | — | — | $20.0M | — | — | — | $20.0M | — |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price | — | — | $85.1 | — | — | — | $87.7 | — |
| Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number | — | — | $9.1M | — | — | — | $9.3M | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number | — | — | $12.5M | — | — | — | $12.5M | — |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number | — | — | $12.2M | — | — | — | $12.2M | — |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value | — | — | $249.0M | — | — | — | $272.0M | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price | — | — | $86.0 | — | — | — | $88.0 | — |
| Incentive stock program, shares reserved for future grants (in shares) | — | — | $75.0M | — | — | — | $66.0M | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value | — | — | $249.0M | — | — | — | $275.0M | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price | — | — | $74.0 | — | — | — | $82.1 | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value | — | — | $241.0M | — | — | — | $244.0M | — |
| Tax Cuts and Jobs Act payment | — | — | — | — | — | — | $1.2B | — |
| Unrecognized tax benefits | — | — | $2.3B | — | — | — | $2.5B | — |
| Penalties and interest accrued on unrecognized tax benefits | — | — | $437.0M | — | — | — | $546.0M | — |
| Amount that if recognized, would affect the effective tax rate or regulatory liability | — | — | $2.2B | — | — | — | $2.5B | — |
| Unrecorded Unconditional Purchase Obligation | — | — | $183.0M | — | — | — | $400.0M | — |
| Unrecorded Unconditional Purchase Obligation | — | — | $183.0M | — | — | — | $400.0M | — |