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Note 3 - Goodwill and Other Intangible Assets - Estimated Aggregate Pre-tax Amortization Expense (Details)
$ in Millions
Mar. 31, 2020
USD ($)
Amortization expense, remainder of 2019 $ 13
Amortization expense, 2020 17
Amortization expense, 2021 17
Amortization expense, 2022 17
Amortization expense, 2023 $ 16