Quarterly report pursuant to Section 13 or 15(d)

Debt - Schedule of Carrying Values and Estimated Fair Values of Debt Instruments (Details)

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Debt - Schedule of Carrying Values and Estimated Fair Values of Debt Instruments (Details) - Senior Notes [Member] - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Carrying Amount [Member] | Fair Value, Inputs, Level 2 and Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying Amount, Debt $ 15,882 $ 16,032
Estimated Fair Value [Member] | Fair Value, Inputs, Level 2 and Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior Notes, Estimated Fair Value [1] 15,345 15,636
Estimated Fair Value [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior Notes, Estimated Fair Value $ 1,300 $ 1,300
[1] As of both March 31, 2024 and December 31, 2023, $1.3 billion of the fair value of our senior notes were classified as Level 3 since these senior notes were valued by applying an unobservable illiquidity adjustment to the price derived from trades or indicative bids of instruments with similar terms, maturities and credit standing. The remainder of our senior notes are classified as Level 2, based on prices derived from trades or indicative bids of the instruments.