The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Goodwill and Other Intangible Assets - Changes In The Carrying Amount Of Other Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Finite-lived Intangible Assets [Roll Forward]
Beginning balance			$ 2,030	$ 2,369	$ 2,369
Acquisitions					(93)
Amortization	$ (58)	$ (59)	(116)	(119)	(236)
Foreign currency translation					(10)
Ending balance	1,914		1,914		2,030
Investment Servicing
Finite-lived Intangible Assets [Roll Forward]
Beginning balance			1,908	2,218	2,218
Acquisitions					(93)
Amortization			(102)		(207)
Foreign currency translation					(10)
Ending balance	1,806		1,806		1,908
Investment Management
Finite-lived Intangible Assets [Roll Forward]
Beginning balance			122	$ 151	151
Acquisitions					0
Amortization			(14)		(29)
Foreign currency translation					0
Ending balance	$ 108		$ 108		$ 122