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Business Segments and Revenue from Contracts with Customers - Segment Results and Reconciliation (Detail) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |
Net interest income | $ 6,025 | $ 5,791 |
Non-interest income | 1,224 | 1,292 |
Total net revenue | 7,249 | 7,083 |
Provision for credit losses | 5,423 | 1,693 |
Total non-interest expense | 3,729 | 3,671 |
Income (loss) from continuing operations before income taxes | (1,903) | 1,719 |
Income tax provision (benefit) | (563) | 309 |
Income (loss) from continuing operations, net of tax | (1,340) | 1,410 |
Loans held for investment | 262,990 | 240,273 | $ 265,809
Total Deposits | 269,689 | 255,107 | $ 262,697
Uncollectible Portion of Billed Finance Charges and Fees | 389 |  |
Operating segments | Credit Card |  |  |
Segment Reporting Information [Line Items] |  |  |
Net interest income | 3,702 | 3,590 |
Non-interest income | 911 | 950 |
Total net revenue | 4,613 | 4,540 |
Provision for credit losses | 3,702 | 1,389 |
Total non-interest expense | 2,208 | 2,171 |
Income (loss) from continuing operations before income taxes | (1,297) | 980 |
Income tax provision (benefit) | (306) | 229 |
Income (loss) from continuing operations, net of tax | (991) | 751 |
Loans held for investment | 117,797 | 109,836 |
Total Deposits | 0 | 0 |
Operating segments | Consumer Banking |  |  |
Segment Reporting Information [Line Items] |  |  |
Net interest income | 1,657 | 1,679 |
Non-interest income | 126 | 160 |
Total net revenue | 1,783 | 1,839 |
Provision for credit losses | 860 | 235 |
Total non-interest expense | 991 | 994 |
Income (loss) from continuing operations before income taxes | (68) | 610 |
Income tax provision (benefit) | (16) | 142 |
Income (loss) from continuing operations, net of tax | (52) | 468 |
Loans held for investment | 64,033 | 59,248 |
Total Deposits | 217,607 | 205,439 |
Operating segments | Commercial Banking |  |  |
Segment Reporting Information [Line Items] |  |  |
Net interest income | 491 | 489 |
Non-interest income | 238 | 187 |
Total net revenue | 729 | 676 |
Provision for credit losses | 856 | 69 |
Total non-interest expense | 412 | 417 |
Income (loss) from continuing operations before income taxes | (539) | 190 |
Income tax provision (benefit) | (128) | 44 |
Income (loss) from continuing operations, net of tax | (411) | 146 |
Loans held for investment | 81,160 | 71,189 |
Total Deposits | 32,822 | 31,248 |
Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Net interest income | 175 | 33 |
Non-interest income | (51) | (5) |
Total net revenue | 124 | 28 |
Provision for credit losses | 5 | 0 |
Total non-interest expense | 118 | 89 |
Income (loss) from continuing operations before income taxes | 1 | (61) |
Income tax provision (benefit) | (113) | (106) |
Income (loss) from continuing operations, net of tax | 114 | 45 |
Loans held for investment | 0 | 0 |
Total Deposits | $ 19,260 | $ 18,420 |

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