Accumulated Other Comprehensive Loss

3 Months Ended

Mar. 31, 2017

Accumulated Other Comprehensive Income (Loss) [Abstract]

Comprehensive Income (Loss) Note [Text Block]

Accumulated Other Comprehensive Loss

The following table presents changes, net of tax, in each component of accumulated other comprehensive loss.

($ in millions)	Unrealized (losses) gains on investment securities (a)			Translation adjustments and net investment hedges (b)		Cash flow hedges (b)		Defined benefit pension plans			Accumulated other comprehensive loss
Balance at December 31, 2015	$	(159	)	$	9	$	8	$	(89	)	$	(231	)
2016 net change	142			5		—		(1		)	146
Balance at March 31, 2016	$	(17	)	$	14	$	8	$	(90	)	$	(85	)
Balance at December 31, 2016	$	(273	)	$	14	$	8	$	(90	)	$	(341	)
2017 net change	21			—		—		(1		)	20
Balance at March 31, 2017	$	(252	)	$	14	$	8	$	(91	)	$	(321	)

(a) Represents the after-tax difference between the fair value and amortized cost of our available-for-sale securities portfolio.

(b) For additional information on derivative instruments and hedging activities, refer to Note 19.

The following tables present the before- and after-tax changes in each component of accumulated other comprehensive loss.

Three months ended March 31, 2017 ($ in millions)	Before tax				Tax effect				After tax
Investment securities
Net unrealized gains arising during the period	$	51			$	(5	)		$	46
Less: Net realized gains reclassified to income from continuing operations	27			(a)	(2		)	(b)	25
Net change	24				(3		)		21
Translation adjustments
Net unrealized gains arising during the period	2				(1		)		1
Net investment hedges (c)
Net unrealized losses arising during the period	(2		)		1				(1		)
Defined benefit pension plans
Net unrealized losses arising during the period	(1		)		—				(1		)
Other comprehensive income	$	23			$	(3	)		$	20

(a) Includes gains reclassified to other gain on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

(c) For additional information on derivative instruments and hedging activities, refer to Note 19.

Three months ended March 31, 2016 ($ in millions)	Before tax				Tax effect				After tax
Investment securities
Net unrealized gains arising during the period	$	280			$	(104	)		$	176
Less: Net realized gains reclassified to income from continuing operations	54			(a)	(20		)	(b)	34
Net change	226				(84		)		142
Translation adjustments
Net unrealized gains arising during the period	13				(5		)		8
Net investment hedges (c)
Net unrealized losses arising during the period	(6		)		3				(3		)
Defined benefit pension plans
Net unrealized losses arising during the period	(1		)		—				(1		)
Other comprehensive income	$	232			$	(86	)		$	146

(a) Includes gains reclassified to other gain on investments, net in our Condensed Consolidated Statement of Comprehensive Income.

(b) Includes amounts reclassified to income tax expense from continuing operations in our Condensed Consolidated Statement of Comprehensive Income.

(c) For additional information on derivative instruments and hedging activities, refer to Note 19.