Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 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	(58)	(9)	—	(67)
Reclassifications from AOCL to net income	—	2	—	2
June 30, 2021	($1,721)	($944)	$1	($2,664)
January 1, 2022	($1,988)	($763)	$1	($2,750)
Current year deferrals to AOCL	(191)	(4)	—	(195)
Reclassifications from AOCL to net income	10	13	—	23
June 30, 2022	($2,169)	($754)	$1	($2,922)

(a)The tax cost related to unrealized foreign currency translation adjustments on tax inter-branch transactions and net investment hedges as of June 30, 2022 and 2021 was $46 million and $22 million, respectively.

(b)The tax cost related to the adjustment for pension and other postretirement benefits as of June 30, 2022 and 2021 was $5 million and $1 million, respectively. Reclassifications from AOCL are included in the computation of net periodic benefit costs (See Note 10, "Pensions and Other Postretirement Benefits").