XML 111 R95.htm IDEA: XBRL DOCUMENT v3.24.0.1
Fair Value - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Senior notes $ 2,726 $ 2,725
Total assets and liabilities measured at fair value 29,600 23,800
Total assets and liabilities measured at fair value priced using non-binding broker quotes $ 14 $ 13
Total assets and liabilities measured at fair value priced using non-binding broker quotes (percentage) 0.00% 0.10%
Unsecured debt | Senior Notes    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Senior notes $ 2,700 $ 2,700
Estimated fair value of senior notes $ 2,500 $ 2,400