CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Tax expense (benefit) of unrealized gains/losses on cash flow hedges from AOCI	$ 0	$ 0	$ 0	$ (2)
Tax expense (benefit) of unrealized gains/losses on available for sale securities still held	(3)	(12)	0	(23)
Tax expense (benefit) of other comprehensive income (loss), reclassification adjustment from AOCI for sale of securities	(1)	0	(2)	0
Tax expense (benefit) of defined benefit pension and other benefits plans reclassified from AOCI to net income	$ 0	$ 0	$ 0	$ 0