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Debt - Schedule of Long-Term Debt (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Debt Instrument [Line Items]    
Weighted average interest rate (as a percent) 4.99% 5.03%
Total debt [1] $ 19,898 $ 20,604
Less: unamortized debt issuance costs (509) (528)
Total debt, net of unamortized debt issuance costs 19,389 20,076
Less—current portion (1,396) (1,603)
Long-term portion 17,993 18,473
Total fixed rate debt    
Debt Instrument [Line Items]    
Long-term debt $ 17,386 17,708
Unsecured senior notes    
Debt Instrument [Line Items]    
Weighted average interest rate (as a percent) [2] 5.59%  
Long-term debt $ 9,699 9,699
Unsecured term loans    
Debt Instrument [Line Items]    
Weighted average interest rate (as a percent) [2] 3.26%  
Long-term debt $ 7,577 7,687
Convertible notes    
Debt Instrument [Line Items]    
Weighted average interest rate (as a percent) [2] 6.00%  
Long-term debt $ 110 322
Total variable rate debt    
Debt Instrument [Line Items]    
Long-term debt $ 2,396 2,779
Unsecured Revolving Credit Facilities    
Debt Instrument [Line Items]    
Weighted average interest rate (as a percent) [2],[3] 0.00%  
Long-term debt [3] $ 0 340
Unsecured Revolving Credit Facilities | Unsecured Revolving Credit Facility Due 2024    
Debt Instrument [Line Items]    
Credit adjustment spread (as a percent) 0.10%  
Margin on floating rate base (as a percent) 1.10%  
Facility fee (as a percent) 0.15%  
USD unsecured term loan    
Debt Instrument [Line Items]    
Weighted average interest rate (as a percent) [2] 5.89%  
Long-term debt $ 2,175 2,227
Euro unsecured term loan    
Debt Instrument [Line Items]    
Weighted average interest rate (as a percent) [2] 3.97%  
Long-term debt $ 221 212
Finance lease liabilities    
Debt Instrument [Line Items]    
Long-term debt $ 116 $ 117
Maximum | Unsecured Revolving Credit Facilities | Unsecured Revolving Credit Facility Due 2024    
Debt Instrument [Line Items]    
Long term debt, stated interest rate (as a percent) 5.52%  
[1] At March 31, 2025 and December 31, 2024, the weighted average interest rate for total debt was 4.99% and 5.03%, respectively
[2] Weighted average interest rates are based on outstanding loan balance as of March 31, 2025, and for variable rate debt include either EURIBOR or Term SOFR plus the applicable margin.
[3] Advances under our unsecured revolving credit facilities accrue interest at Term SOFR plus a 0.10% credit adjustment spread plus an interest rate margin of 1.10%. Based on applicable Term SOFR rates, as of March 31, 2025, the interest rate under the unsecured credit facilities was 5.52%. We also pay a facility fee of 0.15% of the total commitments under such facility.