Accumulated Other Comprehensive Loss (AOCL) (Tables)

3 Months Ended

Mar. 31, 2025

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, 2024	($1,746)	($494)	$1	($2,239)
Current year deferrals to AOCL	(12)	(3)	—	(15)
Reclassifications from AOCL to net income	—	3	—	3
March 31, 2024	($1,758)	($494)	$1	($2,251)
January 1, 2025	($2,651)	($458)	$1	($3,108)
Current year deferrals to AOCL	141	(9)	—	132
Reclassifications from AOCL to net income	139	4	—	143
March 31, 2025	($2,371)	($463)	$1	($2,833)

(a)The tax cost related to unrealized foreign currency translation adjustments on net investment hedges was $60 million and $68 million as of March 31, 2025 and 2024, respectively.

(b)The tax benefit related to the adjustment for pension and other postretirement benefits was $2 million and $1 million for the three months ended March 31, 2025 and 2024, respectively. Reclassifications from AOCL are included in the computation of net periodic benefit cost (See Note 10, "Pensions and Other Postretirement Benefits").