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

No definition available.

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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, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 26,692	$ 25,326	$ 24,433	$ 23,799	$ 25,326	$ 23,799	$ 23,799
Other comprehensive income (loss) before reclassifications					663	(124)
Increase (decrease) due to amounts reclassified from accumulated other comprehensive income					116	164
Other comprehensive income	471	308	55	(15)	779	40
Ending balance	27,307	26,692	24,762	24,433	27,307	24,762	25,326
AFS transferred to HTM					(314)		(374)
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,792)	(2,100)	(2,369)	(2,354)	(2,100)	(2,354)	(2,354)
Other comprehensive income	471	308	55	(15)
Ending balance	(1,321)	(1,792)	(2,314)	(2,369)	(1,321)	(2,314)	(2,100)
Net Unrealized Gains (Losses) on Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(132)		(131)	(132)	(131)	(131)
Other comprehensive income (loss) before reclassifications					7	30
Increase (decrease) due to amounts reclassified from accumulated other comprehensive income					56	(107)
Other comprehensive income					63	(77)
Ending balance	(69)		(208)		(69)	(208)	(132)
Net Unrealized Gains (Losses) on Investment Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(480)		(947)	(480)	(947)	(947)
Other comprehensive income (loss) before reclassifications					115	(45)
Increase (decrease) due to amounts reclassified from accumulated other comprehensive income					60	270
Other comprehensive income					175	225
Ending balance	(305)		(722)		(305)	(722)	(480)
Net Unrealized Losses on Retirement Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(129)		(145)	(129)	(145)	(145)
Other comprehensive income (loss) before reclassifications					3	6
Increase (decrease) due to amounts reclassified from accumulated other comprehensive income					0	1
Other comprehensive income					3	7
Ending balance	(126)		(138)		(126)	(138)	(129)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(2,168)		(1,400)	(2,168)	(1,400)	(1,400)
Other comprehensive income (loss) before reclassifications					1,445	(358)
Increase (decrease) due to amounts reclassified from accumulated other comprehensive income					0	0
Other comprehensive income					1,445	(358)
Ending balance	(723)		(1,758)		(723)	(1,758)	(2,168)
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		$ 809		$ 269	809	269	269
Other comprehensive income (loss) before reclassifications					(907)	243
Increase (decrease) due to amounts reclassified from accumulated other comprehensive income					0	0
Other comprehensive income					(907)	243
Ending balance	$ (98)		$ 512		$ (98)	$ 512	$ 809