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Fair Value Measurements - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended
Apr. 28, 2022
Mar. 31, 2022
Dec. 31, 2021
Subsequent Event | Revolving Credit Facility | Variable-Rate Revolving Credit Facilities Due March 2023 | Line of Credit      
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]      
Line of credit facility, borrowing capacity increase $ 75,000,000    
Carrying value      
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]      
Total debt   $ 20,300,000,000 $ 20,400,000,000
Level 2 | Fair value      
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]      
Total debt   20,300,000,000 21,800,000,000
Level 3      
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]      
Contingent liability   3,000,000 4,000,000
Lending Joint Ventures      
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]      
Other (expense) income   3,000,000  
Financial Guarantee | Lending Joint Ventures      
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]      
Carrying value of non-contingent liability   $ 8,000,000 $ 10,000,000