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Goodwill, Customer Relationships and Other Intangible Assets - Rollforward Goodwill (Details) - USD ($) |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Oct. 31, 2021 | Jul. 31, 2021 | Jan. 31, 2021 | Oct. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Goodwill Activity |  |  |  |  |  |  |
As of beginning of period |  |  |  |  | $ 15,986,000,000 | $ 18,870,000,000 |
Classified as held for sale |  |  |  |  |  | (2,859,000,000) |
Effect of foreign currency exchange rate change and other |  |  |  |  | (58,000,000) | (25,000,000) |
Impairment | $ 0 | $ 0 | $ 0 | $ (2,600,000,000) | (3,271,000,000) | 0 | $ (2,642,000,000)
As of end of period |  |  | 0 |  | 12,657,000,000 | 15,986,000,000 | 18,870,000,000
Goodwill accumulated impairment loss |  |  |  |  | 11,000,000,000 | 7,700,000,000 | 12,900,000,000
International and Global Accounts |  |  |  |  |  |  |
Goodwill Activity |  |  |  |  |  |  |
As of beginning of period |  |  |  |  | 0 | 2,555,000,000 |
As of end of period |  |  | (2,555,000,000) |  |  | 0 | 2,555,000,000
Enterprise |  |  |  |  |  |  |
Goodwill Activity |  |  |  |  |  |  |
As of beginning of period |  |  |  |  | 0 | 4,738,000,000 |
As of end of period |  |  | (4,738,000,000) |  |  | 0 | 4,738,000,000
Small and Medium Business |  |  |  |  |  |  |
Goodwill Activity |  |  |  |  |  |  |
As of beginning of period |  |  |  |  | 0 | 2,808,000,000 |
As of end of period |  |  | (2,808,000,000) |  |  | 0 | 2,808,000,000
Wholesale |  |  |  |  |  |  |
Goodwill Activity |  |  |  |  |  |  |
As of beginning of period |  |  |  |  | 0 | 3,114,000,000 |
As of end of period |  |  | (3,114,000,000) |  |  | 0 | 3,114,000,000
Consumer |  |  |  |  |  |  |
Goodwill Activity |  |  |  |  |  |  |
As of beginning of period |  |  |  |  | 0 | 5,655,000,000 |
As of end of period |  |  | (5,655,000,000) |  |  | 0 | $ 5,655,000,000
Business |  |  |  |  |  |  |
Goodwill Activity |  |  |  |  |  |  |
As of beginning of period |  |  |  |  | 11,235,000,000 |  |
Classified as held for sale |  |  |  |  |  | (913,000,000) |
Effect of foreign currency exchange rate change and other |  |  |  |  | (58,000,000) | (25,000,000) |
Impairment |  |  |  |  | (3,271,000,000) |  |
As of end of period |  |  | 12,173,000,000 |  | 7,906,000,000 | 11,235,000,000 |
Mass Markets |  |  |  |  |  |  |
Goodwill Activity |  |  |  |  |  |  |
As of beginning of period |  |  |  |  | 4,751,000,000 |  |
Classified as held for sale |  |  |  |  |  | (1,946,000,000) |
Effect of foreign currency exchange rate change and other |  |  |  |  | 0 | 0 |
As of end of period |  |  | $ 6,697,000,000 |  | $ 4,751,000,000 | $ 4,751,000,000 |

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