Derivatives - Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2023 USD ($) swap	Dec. 31, 2022 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate swaps entered during the period | swap	4
Gains (losses) on interest rate swaps expected to be reclassified from AOCI to net earnings over the next 12 months.	$ 25
Interest rate swaps | Cash flow hedging | Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	1,350	$ 1,250
Receivable for collateral posted related to swaps	68	62
New interest rate swaps entered during the period | Cash flow hedging | Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	170
Total return swap | Not designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Receivable for collateral posted related to swaps		$ 7
Payable to return collateral related to swaps	$ 3