Debt Securities, Available-for-Sale, Transfer from Held-to-Maturity, Amount

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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- Definition

Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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- Definition

Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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Shareholders' Equity - Accumulated Other Comprehensive Income by Component (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2026	Mar. 31, 2026	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 27,742	$ 27,841	$ 26,692	$ 25,326	$ 27,841	$ 25,326	$ 25,326
Other comprehensive income (loss) before reclassifications					(190)	663
Increase (decrease) due to amounts reclassified from accumulated other comprehensive income					55	116
Other comprehensive (loss) income	104	(239)	471	308	(135)	779
Ending balance	28,268	27,742	27,307	26,692	28,268	27,307	27,841
AFS transferred to HTM					(240)		(267)
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,282)	(1,043)	(1,792)	(2,100)	(1,043)	(2,100)	(2,100)
Other comprehensive (loss) income	104	(239)	471	308
Ending balance	(1,178)	(1,282)	(1,321)	(1,792)	(1,178)	(1,321)	(1,043)
Net Unrealized Gains (Losses) on Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(33)		(132)	(33)	(132)	(132)
Other comprehensive income (loss) before reclassifications					(16)	7
Increase (decrease) due to amounts reclassified from accumulated other comprehensive income					29	56
Other comprehensive (loss) income					13	63
Ending balance	(20)		(69)		(20)	(69)	(33)
Net Unrealized Gains (Losses) on Investment Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(151)		(480)	(151)	(480)	(480)
Other comprehensive income (loss) before reclassifications					(85)	115
Increase (decrease) due to amounts reclassified from accumulated other comprehensive income					26	60
Other comprehensive (loss) income					(59)	175
Ending balance	(210)		(305)		(210)	(305)	(151)
Net Unrealized Gains (Losses) on Retirement Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(92)		(129)	(92)	(129)	(129)
Other comprehensive income (loss) before reclassifications					1	3
Increase (decrease) due to amounts reclassified from accumulated other comprehensive income					0	0
Other comprehensive (loss) income					1	3
Ending balance	(91)		(126)		(91)	(126)	(92)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(793)		(2,168)	(793)	(2,168)	(2,168)
Other comprehensive income (loss) before reclassifications					(309)	1,445
Increase (decrease) due to amounts reclassified from accumulated other comprehensive income					0	0
Other comprehensive (loss) income					(309)	1,445
Ending balance	(1,102)		(723)		(1,102)	(723)	(793)
Net Unrealized Gains (Losses) on Hedges of Net Investments in Non-U.S. Subsidiaries
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		$ 26		$ 809	26	809	809
Other comprehensive income (loss) before reclassifications					219	(907)
Increase (decrease) due to amounts reclassified from accumulated other comprehensive income					0	0
Other comprehensive (loss) income					219	(907)
Ending balance	$ 245		$ (98)		$ 245	$ (98)	$ 26