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Goodwill and other intangible assets - Schedule of Finite-Lived Intangible Assets, Future Amortization Expense (Details)
$ in Millions
Nov. 30, 2021
USD ($)
Estimated annual intangible assets amortization expense [Abstract]  
2022 (Remaining period) $ 462
2023 560
2023 541
2024 514
2026 490
2027 $ 443