Intangible Assets Including Goodwill - Intangible Assets Activity (Details) - USD ($) $ in Millions |
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jun. 30, 2022 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Intangible assets | |||
| Intangible assets, increase (decrease) | $ (1,327) | ||
| Impairment of intangible assets | 0 | $ 0 | |
| Intangible asset amortization expense | 2,397 | 2,506 | |
| Retirement of fully amortized intangible assets | $ 1,301 | $ 904 | |
| Divested businesses | Healthcare software assets divestiture | |||
| Intangible assets | |||
| Intangible assets, increase (decrease) | $ (1,313) | ||
| Accumulated amortization, increase (decrease) | $ (1,149) | ||