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Goodwill and Intangible Assets, Net - Narrative - Intangible Assets (Details) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]    
Amortization expense of intangible assets $ 98 $ 106
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]    
Estimated annual amortization expense, remainder of 2022 279  
Estimated annual amortization expense, 2023 273  
Estimated annual amortization expense, 2024 261  
Estimated annual amortization expense, 2025 255  
Estimated annual amortization expense, 2026 223  
Estimated annual amortization expense, thereafter $ 1,500