| Discover Financial Services | |||||||||||||||||||||||||||||||||||||||||||||||||
| Q4-CY2025 | Q3-CY2025 | Q2-CY2025 | Q1-CY2025 | Q4-CY2024 | Q3-CY2024 | Q2-CY2024 | Q1-CY2024 | Q4-CY2023 | Q3-CY2023 | Q2-CY2023 | Q1-CY2023 | Q4-CY2022 | Q3-CY2022 | Q2-CY2022 | Q1-CY2022 | Q4-CY2021 | Q3-CY2021 | Q2-CY2021 | Q1-CY2021 | Q4-CY2020 | Q3-CY2020 | Q2-CY2020 | Q1-CY2020 | Q4-CY2019 | Q3-CY2019 | Q2-CY2019 | Q1-CY2019 | Q4-CY2018 | Q3-CY2018 | Q2-CY2018 | Q1-CY2018 | Q4-CY2017 | Q3-CY2017 | Q2-CY2017 | Q1-CY2017 | Q4-CY2016 | Q3-CY2016 | Q2-CY2016 | Q1-CY2016 | Q4-CY2015 | Q3-CY2015 | Q2-CY2015 | Q1-CY2015 | Q4-CY2014 | Q3-CY2014 | Q2-CY2014 | Q1-CY2014 | Q4-CY2013 | |
| Balance Sheet Date | 2025-Mar-31 | 2024-Dec-31 | 2024-Sep-30 | 2024-Jun-30 | 2024-Mar-31 | 2023-Dec-31 | 2023-Sep-30 | 2023-Jun-30 | 2023-Mar-31 | 2022-Dec-31 | 2022-Sep-30 | 2022-Jun-30 | 2022-Mar-31 | 2021-Dec-31 | 2021-Sep-30 | 2021-Jun-30 | 2021-Mar-31 | 2020-Dec-31 | 2020-Sep-30 | 2020-Jun-30 | 2020-Mar-31 | 2019-Dec-31 | 2019-Sep-30 | 2019-Jun-30 | 2019-Mar-31 | 2018-Dec-31 | 2018-Sep-30 | 2018-Jun-30 | 2018-Mar-31 | 2017-Dec-31 | 2017-Sep-30 | 2017-Jun-30 | 2017-Mar-31 | 2016-Dec-31 | 2016-Sep-30 | 2016-Jun-30 | 2016-Mar-31 | 2015-Dec-31 | 2015-Sep-30 | 2015-Jun-30 | 2015-Mar-31 | 2014-Dec-31 | 2014-Sep-30 | 2014-Jun-30 | 2014-Mar-31 | 2013-Dec-31 | |||
| Fiscal Period | Q1-FY2025 | Q4-FY2024 | Q3-FY2024 | Q2-FY2024 | Q1-FY2024 | Q4-FY2023 | Q3-FY2023 | Q2-FY2023 | Q1-FY2023 | Q4-FY2022 | Q3-FY2022 | Q2-FY2022 | Q1-FY2022 | Q4-FY2021 | Q3-FY2021 | Q2-FY2021 | Q1-FY2021 | Q4-FY2020 | Q3-FY2020 | Q2-FY2020 | Q1-FY2020 | Q4-FY2019 | Q3-FY2019 | Q2-FY2019 | Q1-FY2019 | Q4-FY2018 | Q3-FY2018 | Q2-FY2018 | Q1-FY2018 | Q4-FY2017 | Q3-FY2017 | Q2-FY2017 | Q1-FY2017 | Q4-FY2016 | Q3-FY2016 | Q2-FY2016 | Q1-FY2016 | Q4-FY2015 | Q3-FY2015 | Q2-FY2015 | Q1-FY2015 | Q4-FY2014 | Q3-FY2014 | Q2-FY2014 | Q1-FY2014 | Q4-FY2013 | |||
| Operating Cash Flow | 2,132,000,000$ | 1,980,000,000$ | 2,024,000,000$ | 2,578,000,000$ | 1,843,000,000$ | 2,876,000,000$ | 2,389,000,000$ | 1,507,000,000$ | 1,791,000,000$ | 2,175,000,000$ | 1,619,000,000$ | 1,612,000,000$ | 1,734,000,000$ | 1,342,000,000$ | 1,621,000,000$ | 1,548,000,000$ | 1,508,000,000$ | 1,633,000,000$ | 1,296,000,000$ | 1,587,000,000$ | 1,680,000,000$ | 1,464,000,000$ | 819,000,000$ | 1,578,000,000$ | 2,335,000,000$ | 761,000,000$ | 1,586,000,000$ | 1,238,000,000$ | 1,624,000,000$ | ||||||||||||||||||||
| Investing Cash Flow | 3,006,000,000$ | 619,000,000$ | (2,238,000,000$) | (2,490,000,000$) | 358,000,000$ | (6,822,000,000$) | (5,836,000,000$) | (7,604,000,000$) | (1,229,000,000$) | (13,014,000,000$) | (7,490,000,000$) | (5,794,000,000$) | 661,000,000$ | (3,391,000,000$) | (1,510,000,000$) | (1,247,000,000$) | 6,188,000,000$ | 3,696,000,000$ | (5,575,000,000$) | 996,000,000$ | 2,397,000,000$ | (3,055,000,000$) | (6,030,000,000$) | (4,421,000,000$) | (1,768,000,000$) | (5,814,000,000$) | (2,645,000,000$) | 916,000,000$ | (4,287,000,000$) | ||||||||||||||||||||
| Financing Cash Flow | (802,000,000$) | (4,923,000,000$) | 140,000,000$ | (3,634,000,000$) | 514,000,000$ | 6,441,000,000$ | 4,036,000,000$ | 4,578,000,000$ | 704,000,000$ | 7,866,000,000$ | 6,270,000,000$ | 6,010,000,000$ | (4,084,000,000$) | 633,000,000$ | (3,731,000,000$) | (4,607,000,000$) | (611,000,000$) | (1,829,000,000$) | (799,000,000$) | 1,373,000,000$ | 170,000,000$ | 2,443,000,000$ | (30,000,000$) | (1,017,000,000$) | (499,000,000$) | 3,589,000,000$ | (120,000,000$) | 1,557,000,000$ | 1,522,000,000$ | ||||||||||||||||||||
| End Cash Position | 11,865,000,000$ | 8,474,000,000$ | 10,787,000,000$ | 10,865,000,000$ | 14,004,000,000$ | 11,685,000,000$ | 9,194,000,000$ | 8,605,000,000$ | 10,130,000,000$ | 8,856,000,000$ | 10,004,000,000$ | 11,439,000,000$ | 9,625,000,000$ | 8,750,000,000$ | 12,716,000,000$ | 15,445,000,000$ | 20,348,000,000$ | 13,564,000,000$ | 9,513,000,000$ | 15,138,000,000$ | 10,028,000,000$ | 6,924,000,000$ | 6,075,000,000$ | 10,313,000,000$ | 15,169,000,000$ | 13,299,000,000$ | 16,019,000,000$ | 15,289,000,000$ | 17,011,000,000$ | 13,306,000,000$ | 13,249,000,000$ | 12,950,000,000$ | 15,163,000,000$ | 11,914,000,000$ | 12,076,000,000$ | 10,617,000,000$ | 12,135,000,000$ | 9,572,000,000$ | 10,250,000,000$ | 10,595,000,000$ | 11,814,000,000$ | 7,284,000,000$ | 7,382,000,000$ | 6,879,000,000$ | 8,731,000,000$ | 6,554,000,000$ | |||
| Exchange Rate Effect | |||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends Paid | 194,000,000$ | 192,000,000$ | 192,000,000$ | 193,000,000$ | 194,000,000$ | 192,000,000$ | 193,000,000$ | 192,000,000$ | 175,000,000$ | 179,000,000$ | 181,000,000$ | 183,000,000$ | 160,000,000$ | 162,000,000$ | 164,000,000$ | 151,000,000$ | 159,000,000$ | 152,000,000$ | 135,000,000$ | 151,000,000$ | 138,000,000$ | 153,000,000$ | 141,000,000$ | 145,000,000$ | 134,000,000$ | 151,000,000$ | 137,000,000$ | 122,000,000$ | 142,000,000$ | 137,000,000$ | 139,000,000$ | 124,000,000$ | 127,000,000$ | 128,000,000$ | 132,000,000$ | 125,000,000$ | 129,000,000$ | 130,000,000$ | 131,000,000$ | 135,000,000$ | 119,000,000$ | 119,000,000$ | 120,000,000$ | 122,000,000$ | 106,000,000$ | 105,000,000$ | |||