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Debt - Additional Information (Details) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($) $ / shares $ / € shares | Dec. 31, 2023 USD ($) $ / €
Debt Instrument [Line Items] |  |
Aggregate principal amount | $ 31,788 | $ 31,929
Exchange rate | $ / € | 1.0354 | 1.1039
Debt Fair Value Adjustments | $ 102 | $ 187
Commercial paper notes |  |
Debt Instrument [Line Items] |  |
Weighted average interest rate | 4.60% | 5.68%
Capital Trust I |  |
Debt Instrument [Line Items] |  |
Ownership percentage | 100.00% |
Senior Notes |  |
Debt Instrument [Line Items] |  |
Redemption Price | 100.00% |
2.250% Senior Notes due March 2027 | Senior Notes |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.25% |
Aggregate principal amount | $ 518 | $ 552
Change to debt as a result of changes in exchange rate | $ (25) | 9
Trust I Preferred Securities, 4.75%, due March 2028(d) | Capital Trust I |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 4.75% |
Aggregate principal amount | $ 221 | $ 221
Trust Convertible Preferred Securities Outstanding | shares | 4.4 |
Liquidation preference | $ / shares | $ 50 |
Conversion price | $ / shares | $ 25.18 |
Trust I Preferred Securities, 4.75%, due March 2028(d) | Capital Trust I | Class P |  |
Debt Instrument [Line Items] |  |
Conversion rate | 0.7197 |

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- Definition Fair value adjustments to debt as of the balance sheet date including fair value purchase accounting adjustments to debt and fair value of interest rate derivative assets, net of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet as well as unamortized portions of proceeds received from early termination of interest rate swap agreements. + References No definition available. + Details
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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