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Summary of Significant Accounting Policies - Narrative (Details) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 USD ($) country segment | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Jul. 01, 2021 | Dec. 31, 2018 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of countries in which products are sold (over) | country | 150 |  |  |  |
Number of operating segments | segment | 4 |  |  |  |
Net revenues | $ 28,720 | $ 26,581 | $ 25,868 |  |
Number of countries in which entity operates (over) | country | 80 |  |  |  |
Restricted cash within other current assets | $ 7 | 31 |  |  |
Total cash, cash equivalents and restricted cash | 3,553 | 3,650 | 1,328 |  | $ 1,100
Outstanding principal amount of receivables sold under factoring arrangement | 761 | 760 | 760 |  |
Incremental cost of factoring receivables | 10 | 10 | 10 |  |
Advertising expense | 1,564 | 1,376 | 1,208 |  |
Research and development expense | $ 347 | 332 | 351 |  |
Europe |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Weighted-average cost of capital rate |  |  |  | 6.40% |
North America |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Weighted-average cost of capital rate |  |  |  | 6.40% |
Latin America |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Risk-rated discount rate |  |  |  | 9.40% |
AMEA |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Risk-rated discount rate |  |  |  | 9.40% |
Machinery and equipment | Minimum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Useful life of long-lived assets | 3 years |  |  |  |
Machinery and equipment | Maximum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Useful life of long-lived assets | 20 years |  |  |  |
Buildings and building improvements | Maximum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Useful life of long-lived assets | 40 years |  |  |  |
Software | Maximum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Useful life of long-lived assets | 7 years |  |  |  |
Argentina |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Net monetary assets | $ 9 |  |  |  |
Net revenues | $ 401 |  |  |  |
Percentage of consolidated net revenues | 1.40% |  |  |  |
U.K. | Geographic Concentration Risk | Net Revenues |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Concentration risk percentage | 9.30% |  |  |  |
Selling, general and administrative expenses | Argentina |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Remeasurement (loss) gain due to inflationary accounting | $ (13) | $ (9) | $ 4 |  |

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