Summary of Significant Accounting Policies - Allowance for Sales Returns (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Sales returns, beginning balance | $ 300 | $ 261 | $ 266 |
| Additions, charged to earnings | 2,145 | 2,188 | 2,336 |
| Deductions | (2,171) | (2,149) | (2,341) |
| Sales returns, ending balance | 274 | 300 | 261 |
| Stock-based compensation | 72 | 64 | 71 |
| Selling, General and Administrative Expenses | |||
| Advertising Expense | $ 560 | $ 440 | $ 395 |
| X | ||||||||||
- Definition Additions, charged to earnings No definition available.
|
| X | ||||||||||
- Definition Deductions to allowance for sales returns. No definition available.
|
| X | ||||||||||
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|