Financing Receivable, Modifications, Average Rate Reduction

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- Definition

Financing Receivable, Modifications, Average Term Extension

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- Definition

Financing Receivable, Modifications, Percentage of Troubled Debt Restructuring Activity

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- Definition

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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Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty.

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- Definition

Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty.

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Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of commitment to lend additional funds to debtor experiencing financial difficulty for which creditor has modified terms of financing receivable.

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Loans - Trouble Debt Restructurings (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Troubled Debt Restructuring [Line Items]
Principal balance reduction		$ 495		$ 1,629
Commitments to lend on loans modified in TDRs	$ 75	214	$ 75	214
Credit Card:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Principal balance reduction		$ 106		$ 289
Credit Card: \| Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		100.00%		100.00%
Average Rate Reduction		19.77%		19.63%
Credit Card: \| Domestic Card \| Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-average interest rate reduction	19.40%		19.19%
Credit Card: \| Domestic Card \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Payment delay duration (in months)	12 months		12 months
Credit Card: \| International card businesses \| Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-average interest rate reduction	27.41%		27.08%
Credit Card: \| International card businesses \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Payment delay duration (in months)	0 months		0 months
Consumer Banking:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Principal balance reduction		$ 276		$ 796
Consumer Banking: \| Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		64.00%		56.00%
Average Rate Reduction		8.45%		8.59%
Consumer Banking: \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		97.00%		97.00%
Average Term Extension (Months)		5 months		4 months
Consumer Banking: \| Auto
Financing Receivable, Troubled Debt Restructuring [Line Items]
Principal balance reduction		$ 275		$ 794
Consumer Banking: \| Auto \| Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		64.00%		56.00%
Average Rate Reduction		8.45%		8.59%
Weighted-average interest rate reduction	8.67%		8.74%
Consumer Banking: \| Auto \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		97.00%		97.00%
Average Term Extension (Months)		5 months		4 months
Payment delay duration (in months)	6 months		6 months
Consumer Banking: \| Retail banking
Financing Receivable, Troubled Debt Restructuring [Line Items]
Principal balance reduction		$ 1		$ 2
Consumer Banking: \| Retail banking \| Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-average interest rate reduction	0.00%		2.00%
Consumer Banking: \| Retail banking \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		60.00%		76.00%
Average Term Extension (Months)		14 months		13 months
Payment delay duration (in months)	8 months		13 months
Commercial Portfolio
Financing Receivable, Troubled Debt Restructuring [Line Items]
Principal balance reduction		$ 113		$ 544
Commercial Portfolio \| Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		20.00%		6.00%
Average Rate Reduction		0.78%		0.35%
Commercial Portfolio \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		99.00%		72.00%
Average Term Extension (Months)		15 months		13 months
Commercial Portfolio \| Commercial and multifamily real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Principal balance reduction		$ 38		$ 302
Commercial Portfolio \| Commercial and multifamily real estate \| Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		58.00%		10.00%
Average Rate Reduction		0.78%		0.35%
Weighted-average interest rate reduction	0.00%		0.00%
Commercial Portfolio \| Commercial and multifamily real estate \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		100.00%		80.00%
Average Term Extension (Months)		11 months		13 months
Payment delay duration (in months)	11 months		15 months
Commercial Portfolio \| Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Principal balance reduction		$ 75		$ 242
Commercial Portfolio \| Commercial and industrial \| Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-average interest rate reduction	0.25%		0.25%
Commercial Portfolio \| Commercial and industrial \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		98.00%		62.00%
Average Term Extension (Months)		17 months		14 months
Payment delay duration (in months)	17 months		9 months
Domestic credit card: \| Credit Card:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Principal balance reduction		$ 77		$ 196
Domestic credit card: \| Credit Card: \| Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		100.00%		100.00%
Average Rate Reduction		16.79%		15.76%
International card businesses: \| Credit Card:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Principal balance reduction		$ 29		$ 93
International card businesses: \| Credit Card: \| Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of TDR Activity		100.00%		100.00%
Average Rate Reduction		27.52%		27.73%