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Debt and Borrowing Arrangements - Debt Redemptions (Details) - Loans Payable - USD ($)
$ in Millions
Dec. 04, 2020
Oct. 16, 2020
Debt Instrument [Line Items]    
Amount Redeemed   $ 950
3.625% Notes Due May 2023    
Debt Instrument [Line Items]    
Interest Rate 3.625%  
Amount Redeemed $ 391