Schedule II: Valuation and Qualifying Accounts (Details) - Allowance for doubtful accounts and sales credits - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] | |||
| Balance at Beginning of Year | $ 1,389 | $ 1,344 | $ 753 |
| Additions | 2,125 | 2,092 | 2,013 |
| Usage | (2,301) | (2,047) | (1,422) |
| Balance at End of Year | $ 1,213 | $ 1,389 | $ 1,344 |