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Intangible Assets - Additional Information (Detail)
$ in Millions
Jun. 30, 2021
USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]  
Estimated amortization charged to income, remaining two quarters of 2021 $ 152
Estimated amortization charged to income, 2022 293
Estimated amortization charged to income, 2023 286
Estimated amortization charged to income, 2024 262
Estimated amortization charged to income, 2025 248
Estimated amortization charged to income, 2026 $ 244