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Goodwill and Intangible Assets - Narrative (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2021
USD ($)
brand
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
brand
Jul. 01, 2020
brand
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense for intangible assets $ 38 $ 43    
Estimated amortization expense of intangibles in 2021 130      
Estimated amortization expense of intangibles in 2022 120      
Estimated amortization expense of intangibles in 2023 120      
Estimated amortization expense of intangibles in 2024 120      
Estimated amortization expense of intangibles in 2025 105      
Goodwill and Intangible Assets Disclosure [Line Items]        
Goodwill $ 21,945   $ 21,895  
COVID-19 | Brands        
Goodwill and Intangible Assets Disclosure [Line Items]        
Impairment of intangible assets     $ 144  
Number of impaired brands | brand     8 8
Number of brands with fair value in excess of book value of 10% or less | brand 9     9
Book value of brands with fair value in excess of book value of 10% or less $ 738      
Hu Master Holdings And Grenade        
Goodwill and Intangible Assets Disclosure [Line Items]        
Goodwill 382      
Intangible assets acquired $ 279