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Subsequent Events (Details) - USD ($)
$ in Millions
Feb. 04, 2021
Jan. 02, 2021
Subsequent Event [Line Items]    
Long-term debt   $ 5,808
Unsecured Senior Notes due 2029 [Member] | Senior notes | Subsequent Event [Member]    
Subsequent Event [Line Items]    
Long-term debt $ 900  
Initial Offering Price, Percentage 100.00%  
Interest rate 4.75%  
Unsecured Senior Notes due 2029 [Member] | Senior notes | Subsequent Event [Member] | Debt redemption, period one    
Subsequent Event [Line Items]    
Redemption price percentage of principal amount 102.375%  
Unsecured Senior Notes due 2029 [Member] | Senior notes | Subsequent Event [Member] | Debt redemption, period two    
Subsequent Event [Line Items]    
Redemption price percentage of principal amount 101.188%  
Unsecured Senior Notes due 2029 [Member] | Senior notes | Subsequent Event [Member] | Debt redemption, period three    
Subsequent Event [Line Items]    
Redemption price percentage of principal amount 100.00%