v3.21.2
Long-Term Debt and Revolving Credit Arrangements - Fair Value of Senior Notes (Details) - Level 2 - Senior Note
$ in Millions
Jun. 30, 2021
USD ($)
Debt Instrument [Line Items]  
Fair Value of long-term debt $ 4,562
2025 Senior Note  
Debt Instrument [Line Items]  
Fair Value of long-term debt 1,081
2026 Senior Note  
Debt Instrument [Line Items]  
Fair Value of long-term debt 1,619
2027 Senior Note  
Debt Instrument [Line Items]  
Fair Value of long-term debt 1,322
2028 Senior Note  
Debt Instrument [Line Items]  
Fair Value of long-term debt $ 540