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Fair Value Measurements and Financial Instruments - Narrative (Details)
12 Months Ended
Dec. 31, 2021
USD ($)
country_and_territory
Dec. 31, 2020
USD ($)
Debt Instrument [Line Items]    
Minimum number of countries and territories serving consumers (more than) (in countries and territories) | country_and_territory 200  
Carrying Value    
Debt Instrument [Line Items]    
Carrying value of long-term debt $ 7,206,000,000 $ 7,343,000,000
Fair Value, Inputs, Level 2    
Debt Instrument [Line Items]    
Estimated fair value of long-term debt $ 7,651,000,000 $ 8,175,000,000