ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)

6 Months Ended

Jun. 30, 2021

Equity [Abstract]

Schedule of other comprehensive income

The following table presents the changes in the balances, net of income taxes, of each component of AOCI:

	As of and for the Three Months Ended June 30,
(in millions)	Net Unrealized Gains (Losses) on Derivatives	Net Unrealized Gains (Losses) on Debt Securities	Employee Benefit Plans	Total AOCI
Balance at April 1, 2020	$96	$401	($412)	$85
Other comprehensive income (loss) before reclassifications	(8)	49	—	41
Amounts reclassified to the Consolidated Statements of Operations	(34)	(2)	4	(32)
Net other comprehensive income (loss)	(42)	47	4	9
Balance at June 30, 2020	$54	$448	($408)	$94
Balance at April 1, 2021	($57)	$71	($425)	($411)
Other comprehensive income (loss) before reclassifications	46	10	—	56
Amounts reclassified to the Consolidated Statements of Operations	(27)	(3)	4	(26)
Net other comprehensive income (loss)	19	7	4	30
Balance at June 30, 2021	($38)	$78	($421)	($381)
Primary location of amounts reclassified to the Consolidated Statements of Operations	Net interest income	Securities gains, net	Other operating expense

	As of and for the Six Months Ended June 30,
(in millions)	Net Unrealized Gains (Losses) on Derivatives	Net Unrealized Gains (Losses) on Debt Securities	Employee Benefit Plans	Total AOCI
Balance at January 1, 2020	$3	$1	($415)	($411)
Other comprehensive income (loss) before reclassifications	88	449	—	537
Amounts reclassified to the Consolidated Statements of Operations	(37)	(2)	7	(32)
Net other comprehensive income (loss)	51	447	7	505
Balance at June 30, 2020	$54	$448	($408)	$94
Balance at January 1, 2021	($11)	$380	($429)	($60)
Other comprehensive income (loss) before reclassifications	25	(297)	—	(272)
Amounts reclassified to the Consolidated Statements of Operations	(52)	(5)	8	(49)
Net other comprehensive income (loss)	(27)	(302)	8	(321)
Balance at June 30, 2021	($38)	$78	($421)	($381)
Primary location of amounts reclassified to the Consolidated Statements of Operations	Net interest income	Securities gains, net	Other operating expense