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Debt
 3 Months Ended
Mar. 31, 2024
Debt Disclosure [Abstract]  
Debt DebtAs of March 31, 2024, our debt had a carrying value of $96.6 billion and an estimated fair value of $89.5 billion. As of December 31, 2023, our debt had a carrying value of $97.1 billion and an estimated fair value of $92.2 billion. The estimated fair value of our publicly traded debt was primarily based on Level 1 inputs that use quoted market value for the debt. The estimated fair value of debt for which there are no quoted market prices was based on Level 2 inputs that use interest rates available to us for debt with similar terms and remaining maturities.