Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2021

Changes, net of tax, in accumulated other comprehensive income (loss)

Changes, net of tax, in accumulated other comprehensive income (loss) were as follows:


(dollars in millions)	Unrealized Gains (Losses) Available-for-Sale Securities (a)		Retirement Plan Liabilities Adjustments		Foreign Currency Translation Adjustments		Other (b)		Total Accumulated Other Comprehensive Income (Loss)













Year Ended December 31, 2021
Balance at beginning of period	$	91	$	1	$	2	$	—	$	94
Other comprehensive income (loss) before reclassifications	(41)		—		1		8		(32)
Reclassification adjustments from accumulated other comprehensive income	(1)		—		—		—		(1)
Balance at end of period	$	49	$	1	$	3	$	8	$	61

Year Ended December 31, 2020
Balance at beginning of period	$	41	$	3	$	—	$	—	$	44
Other comprehensive income (loss) before reclassifications	51		(2)		2		—		51
Reclassification adjustments from accumulated other comprehensive income	(1)		—		—				(1)

Balance at end of period	$	91	$	1	$	2	$	—	$	94

Year Ended December 31, 2019
Balance at beginning of period	$	(28)	$	(3)	$	(3)	$	—	$	(34)
Other comprehensive income before reclassifications	68		6		3		—		77
Reclassification adjustments from accumulated other comprehensive income	1		—		—		—		1

Balance at end of period	$	41	$	3	$	—	$	—	$	44

(a) There were no material amounts related to available-for-sale debt securities for which an allowance for credit losses was recorded during the year ended December 31, 2021. There were no amounts related to available-for-sale debt securities for which an allowance for credit losses was recorded during the years ended December 31, 2020 and 2019.

(b) Other primarily includes changes in the fair value of our mark-to-market derivative instruments that have been designated as cash flow hedges.