XML 77 R57.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Derivative and Financial Instruments - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Derivative [Line Items]      
Debt securities, available-for-sale, unrealized loss $ 5    
Debt securities, available-for-sale, unrealized gain     $ 5
Debt securities, available-for-sale, allowance for credit loss 0   0
Proceeds from sales and redemptions of investments in debt securities classified as available for sale 222 $ 300  
Derivative, net liability position, aggregate fair value 163   181
Collateral already posted, aggregate fair value 0   $ 0
Interest Rate Swap      
Derivative [Line Items]      
Unrealized loss 20    
In event of downgrade below investment grade      
Derivative [Line Items]      
Additional collateral, aggregate fair value $ 139    
Minimum      
Derivative [Line Items]      
Investments and long-term receivables, remaining maturity 1 year    
Maximum      
Derivative [Line Items]      
Investments and long-term receivables, remaining maturity 5 years    
Accounts Receivable | Maximum      
Derivative [Line Items]      
Credit derivative, term 30 days