v3.20.4
Identified Intangible Assets - Schedule of Estimated Amortization Expense (Details) - Other Intangible Assets
$ in Millions
Dec. 31, 2020
USD ($)
Finite-Lived Intangible Assets [Line Items]  
2021 $ 675
2022 572
2023 340
2024 157
2025 106
Thereafter $ 392