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Fair Value Measurement - Nonrecurring Fair Value Measurements Included in Earnings (Detail) - Nonrecurring - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for investment	$ (268)	$ (85)
Other assets	(76)	(74)
Total	$ (344)	$ (159)

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- Definition

Gain (Loss) On Fair Value Assets measured on nonrecurring basis

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- Definition

Gain (Loss) On Fair Value Loans Held For Investment measured on nonrecurring basis

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- Definition

Gain (Loss) On Fair Value Other Assets measured on nonrecurring basis

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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