Derivatives - Interest-Rate Swaps (Details) $ in Millions	9 Months Ended
	Sep. 30, 2022 USD ($)
Interest Rate Swap, 6.445%
Derivative [Line Items]
Derivative, notional amount	$ 450
Weighted-average interest rate	6.445%
Interest Rate Swaps
Derivative [Line Items]
Net cash receipts for interest rate swap agreements	$ 61
Payments for mandatory termination	86
Periodic interest settlement amount	34
Collateral paid with respect to interest rate swap agreements	$ 181