| Remaining performance obligations related to customer contracts that are unsatisfied or partially unsatisfied | $56B | $57B | $63B | $64B | $66B | $64B | $71B | $69B |
| Long-term debt, gross | $57.8B | $57.6B | $56.1B | $64.4B | $65.2B | $64.2B | $62.3B | $66.3B |
| Long-term debt excluding finance lease obligations | $56.9B | $56.7B | $55.1B | $63.4B | $64.1B | $63B | $61.1B | $65.2B |
| Long-Term Debt and Lease Obligation | $52.9B | $53B | $49.9B | $56.4B | $55.2B | $55.2B | $54.8B | $57.7B |
| Fair value of long-term debt | $49.8B | $51.7B | $47.4B | $53.8B | $53B | $53.4B | $52.7B | $54.4B |
| Thereafter | $34.8B | $35.3B | — | $37.6B | $38.8B | $38.8B | — | $40B |
| Gross Carrying Amount | $18.2B | $19.5B | $19.2B | $21.5B | $22B | $22B | $22.2B | $26B |
| Financing receivable and net investment in lease, gross | $11.9B | $11.2B | $13.1B | $11.2B | $13.1B | $12.8B | $17B | $14.3B |
| Amortized cost | $11.4B | $10.8B | $12.6B | $10.8B | $12.6B | $12.3B | $16.3B | $13.7B |
| Notes Receivable And Net Investment In Lease Net | $11.3B | $10.7B | $12.5B | $10.6B | $12.5B | $12.2B | $16.2B | $13.5B |
| Finite-Lived Intangible Assets, Accumulated Amortization | $7.9B | $8.4B | $8.6B | $9.1B | $9.8B | $10.3B | $10.8B | $11.4B |
| Less: current maturities | $3.6B | $3.6B | $5.1B | $6.9B | $8.9B | $7.9B | $6.4B | $7.6B |
| 2027 | $5.1B | $5.3B | $5B | $6.3B | $6.4B | $6.4B | $6.4B | $6.7B |
| 2028 | $6.3B | $6.3B | $6.3B | $6.5B | $6.7B | $6.7B | $6.8B | $6B |
| 2029 | $6.4B | $6.5B | $6.4B | $5B | $5.2B | $5.2B | $5.2B | $5.6B |
| Common stock, shares authorized (in shares) | 4.7B | 4.7B | 4.7B | 4.7B | 4.7B | 4.7B | 4.7B | 4.7B |
| 2030 | $3.9B | $4B | $3.9B | $5B | $5.1B | $5.1B | $5.1B | $4.5B |
| Net Investment in Lease, before Allowance for Credit Loss | $4B | $3.8B | $3.5B | $3.4B | $3.9B | $3.8B | $4.4B | $4.2B |
| Net investment in lease, gross | $3.9B | $3.8B | $3.4B | $3.2B | $3.8B | $3.7B | $4.3B | $4.2B |
| Net Investment in Lease, after Allowance for Credit Loss | $3.9B | $3.8B | $3.5B | $3.3B | $3.9B | $3.7B | $4.3B | $4.1B |
| Thereafter | $2B | $2.5B | — | $2.6B | $2.6B | $2.6B | — | $3.7B |
| Remainder of 2026 | $1.3B | $93M | — | $4B | $3B | $1.9B | — | $3.5B |
| Remainder of Fiscal Year 2024 | $1.3B | $93M | — | $4B | $3B | $1.9B | — | $3.5B |
| 2027 | $2.1B | $2.3B | $2.4B | $2.5B | $2.6B | $2.7B | $2.8B | $3B |
| Unrecognized compensation cost related to non-vested awards | $1.7B | $1.8B | $1.9B | $2.5B | $2.5B | $2.3B | $2.3B | $2.9B |
| 2028 | $1.9B | $2.1B | $2.2B | $2.3B | $2.4B | $2.5B | $2.6B | $2.5B |
| Remainder of 2026 | $1.2B | $643M | — | $2B | $1.4B | $703M | — | $2.4B |
| Common stock, shares issued (in shares) | 2.3B | 2.3B | 2.3B | 2.3B | 2.3B | 2.3B | 2.3B | 2.3B |
| 2029 | $1.7B | $1.9B | $2B | $1.9B | $1.9B | $2B | $2.1B | $1.7B |
| Treasury stock, shares (in shares) | 1.4B | 1.4B | 1.4B | 1.4B | 1.4B | 1.4B | 1.4B | 1.4B |
| 2030 | $1.4B | $1.6B | $1.6B | $1.2B | $1.2B | $1.2B | $1.3B | $1.2B |
| Financing receivable and net investment in lease, unearned income | -$901M | -$850M | -$891M | -$868M | -$1B | -$1B | -$1.2B | -$1.1B |
| Less: net unamortized discount | $844M | $837M | $824M | $829M | $825M | $815M | $806M | $809M |
| Financing receivable and net investment in lease, unguaranteed residual value | $464M | $457M | $479M | $466M | $574M | $485M | $545M | $482M |
| Net investment in lease, unguaranteed residual value | $464M | $457M | $479M | $466M | $574M | $485M | $545M | $482M |
| Net investment in lease, unearned income | -$401M | -$370M | -$344M | -$327M | -$401M | -$405M | -$479M | -$456M |
| Potential reduction in net position of total derivative assets | — | — | — | — | — | — | $285M | $422M |
| Potential reduction in net position of total derivative liabilities | $186M | $94M | $352M | $296M | $416M | $316M | $285M | $422M |
| Debt Issuance Costs, Net | — | — | — | — | — | — | $185M | $203M |
| Financing Receivable And Net Investment In Lease Allowance For Credit Losses | $137M | $131M | $128M | $149M | $141M | $130M | $141M | $128M |
| Accounts Receivable, Allowance for Credit Loss | $129M | $132M | $114M | $102M | $109M | $116M | $99M | $102M |
| Allowance for doubtful accounts | $129M | $132M | $114M | $102M | $109M | $116M | $99M | $102M |
| Short-term financing receivables held for investment, allowances | $115M | $115M | $109M | $130M | $112M | $104M | $106M | $100M |
| Standard Product Warranty Accrual | $70M | $64M | $76M | $85M | $85M | $87M | $95M | $93M |
| Noncontrolling interests in subsidiaries | $77M | $82M | $86M | $72M | $79M | $85M | $93M | $81M |
| Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge | $204M | -$19M | $176M | $90M | $57M | $30M | $36M | $65M |
| Net Investment in Lease, Allowance for Credit Loss | $57M | $51M | $50M | $57M | $67M | $51M | $67M | $59M |
| Other accounts receivable, allowances | — | — | — | — | — | — | $37M | $37M |
| Long-term financing receivables, allowances | $21M | $17M | $19M | $19M | $29M | $26M | $34M | $27M |
| Common stock, par value (in dollars per share) | $0.20 | $0.20 | $0.20 | $0.20 | $0.20 | $0.20 | $0.20 | $0.20 |
| Accrual for Environmental Loss Contingencies | — | — | $247M | — | — | — | $250M | — |
| Capitalized Contract Cost, Net | — | — | $1.7B | — | — | — | $1.9B | — |
| Common Stock, Shares, Outstanding | — | — | $926.3M | — | — | — | $937M | — |
| Deferred Tax Liabilities, Gross | — | — | $9.2B | — | — | — | $9.5B | — |
| Deferred income taxes | — | — | $815M | — | — | — | $781M | — |
| Deferred Tax Assets, Goodwill and Intangible Assets | — | — | $2.5B | — | — | — | $3.3B | — |
| Deferred Tax Assets, Gross | — | — | $16.5B | — | — | — | $18.4B | — |
| Deferred Tax Assets, Net of Valuation Allowance | — | — | $15.3B | — | — | — | $17.3B | — |
| Deferred Tax Assets, Operating Loss Carryforwards | — | — | $1.8B | — | — | — | $1.7B | — |
| Fixed assets | — | — | $238M | — | — | — | $243M | — |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits | — | — | $1.9B | — | — | — | $1.7B | — |
| Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost | — | — | $796M | — | — | — | $888M | — |
| Temporary differences related to Texas Margin Tax | — | — | $198M | — | — | — | $207M | — |
| Accrued expenses | — | — | $395M | — | — | — | $418M | — |
| Deferred Tax Assets, Valuation Allowance | — | — | $1.2B | — | — | — | $1.1B | — |
| Deferred Tax Liabilities, Other | — | — | $746M | — | — | — | $620M | — |
| Deferred Tax Liabilities, Property, Plant and Equipment | — | — | $438M | — | — | — | $548M | — |
| Derivative Liability, Noncurrent | — | — | $463M | — | — | — | $259M | — |
| Equity method investments (Note 11) | — | — | $108M | — | — | — | $60M | — |
| Trading securities, cost | — | — | $156M | — | — | — | $221M | — |
| Current maturities of long-term debt | — | — | $198M | — | — | — | $279M | — |
| Finance Lease Liability Payments Due After Year Five | — | — | $202M | — | — | — | $152M | — |
| 2027 | — | — | $246M | — | — | — | $331M | — |
| Finance Lease Liability Payments Due Year Five | — | — | $155M | — | — | — | $94M | — |
| Finance Lease Liability Payments Due Year Four | — | — | $168M | — | — | — | $182M | — |
| Finance Lease Liability Payments Due Year Three | — | — | $194M | — | — | — | $225M | — |
| Finance Lease Liability Payments Due Year Two | — | — | $210M | — | — | — | $313M | — |
| Finance Lease Liability Undiscounted Excess Amount | — | — | $174M | — | — | — | $145M | — |
| Finance Lease, Right-of-Use Asset, after Accumulated Amortization | — | — | $984M | — | — | — | $1.2B | — |
| 2031 | — | — | $936M | — | — | — | $812M | — |
| Finite Lived Intangible Assets Amortization Expense After Year Five | — | — | $1.6B | — | — | — | $1.9B | — |
| Goodwill accumulated impairment losses | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Lessee Operating Lease Liability Undiscounted Excess Amount | — | — | $603M | — | — | — | $612M | — |
| 2029 | — | — | $4.9B | — | — | — | $4.5B | — |
| Thereafter | — | — | $29.6B | — | — | — | $34.3B | — |
| Long Term Debt Percentage Bearing Variable Interest Rate | — | — | $0.1 | — | — | — | $0.1 | — |
| Longterm Debt Percentage Bearing Fixed Interest Amount | — | — | $47.7B | — | — | — | $54B | — |
| Longterm Debt Percentage Bearing Variable Interest Amount | — | — | $7.2B | — | — | — | $7.3B | — |
| Operating Lease Weighted Average Discount Rate Percent | — | — | $0 | — | — | — | $0.1 | — |
| Other | — | — | $536M | — | — | — | $645M | — |
| Preferred Stock, Par or Stated Value Per Share | — | — | $0 | — | — | — | $0 | — |
| Preferred Stock, Shares Authorized | — | — | $150M | — | — | — | $150M | — |
| 2028 | — | — | $963M | — | — | — | $1.2B | — |
| 2030 | — | — | $244M | — | — | — | $509M | — |
| Sales-Type and Direct Financing Leases, Payment to be Received | — | — | $3.4B | — | — | — | $4.3B | — |
| 2027 | — | — | $1.6B | — | — | — | $1.5B | — |
| 2029 | — | — | $584M | — | — | — | $874M | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number | — | — | $10M | — | — | — | $9.7M | — |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price | — | — | $145 | — | — | — | $168 | — |
| Share Repurchase Program, Remaining Authorized, Amount | — | — | $2B | — | — | — | $2B | — |
| Supplier finance program, obligation | — | — | $110M | — | — | — | $123M | — |
| Unrecognized tax benefits | — | — | $8.9B | — | — | — | $6.7B | — |
| Penalties and interest accrued on unrecognized tax benefits | — | — | $1.6B | — | — | — | $1.2B | — |
| Amount that if recognized, would affect the effective tax rate or regulatory liability | — | — | $8.3B | — | — | — | $5.9B | — |
| Unrecorded Unconditional Purchase Obligation | — | — | $496M | — | — | — | $314M | — |
| Unrecorded Unconditional Purchase Obligation | — | — | $496M | — | — | — | $314M | — |
| Weighted-Average Discount Rate | — | — | 5.0% | — | — | — | 4.9% | — |
| Weighted-Average Discount Rate - Finance Leases | — | — | $0.1 | — | — | — | $0 | — |