Accumulated Other Comprehensive Loss (AOCL) (Tables)

9 Months Ended

Sep. 30, 2022

Accumulated Other Comprehensive Income [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

($ in millions)	Foreign Currency Translation Adjustments (a)	Pension and Other Postretirement Benefit Adjustments, net of tax (b)	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	(271)	(5)	—	(276)
Reclassifications from AOCL to net income	—	4	—	4
September 30, 2021	($1,934)	($938)	$1	($2,871)
January 1, 2022	($1,988)	($763)	$1	($2,750)
Current year deferrals to AOCL	(537)	(9)	—	(546)
Reclassifications from AOCL to net income	10	20	—	30
September 30, 2022	($2,515)	($752)	$1	($3,266)

(a)The tax cost related to unrealized foreign currency translation adjustments on net investment hedges was $96 million and $40 million as of September 30, 2022 and 2021, respectively.

(b)The tax cost related to the adjustment for pension and other postretirement benefits was $6 million and $1 million as of September 30, 2022 and 2021, respectively. Reclassifications from AOCL are included in the computation of net periodic benefit costs (See Note 11, "Pensions and Other Postretirement Benefits").