Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2023


($ in millions)	Foreign Currency Translation Adjustments(1)	Pension and Other Postretirement Benefit Adjustments, net of tax(2)	Unrealized Gain on Derivatives, net of tax	Accumulated Other Comprehensive Loss
January 1, 2021	($1,663)	($937)	$1	($2,599)
Current year deferrals to AOCL	(325)	132	—	(193)
Reclassifications from AOCL to net income	—	42	—	42
December 31, 2021	($1,988)	($763)	$1	($2,750)
Current year deferrals to AOCL	(301)	175	—	(126)
Reclassifications from AOCL to net income	35	31	—	66
December 31, 2022	($2,254)	($557)	$1	($2,810)
Current year deferrals to AOCL	475	(93)	—	382
Reclassifications from AOCL to net income	33	156	—	189
December 31, 2023	($1,746)	($494)	$1	($2,239)

(1)The tax cost related to unrealized foreign currency translation adjustments on net investment hedges as of December 31, 2023, 2022 and 2021 was $47 million, $73 million and $55 million, respectively.

(2)The tax cost related to the adjustment for pension and other postretirement benefits as of December 31, 2023, 2022 and 2021 was $20 million, $83 million and $48 million, respectively. Reclassifications from AOCL are included in the computation of net periodic benefit costs (see Note 14, “Employee Benefit Plans").