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Consolidated Statements of Cash Flows (Parenthetical) - Senior Notes
Sep. 30, 2020
Senior Notes – 4.000%  
Interest rate (percent) 4.00%
Senior Notes – 4.375%  
Interest rate (percent) 4.375%
4.500% Senior Notes  
Interest rate (percent) 4.50%
6.000% Senior Notes  
Interest rate (percent) 6.00%