XML 38 R26.htm IDEA: XBRL DOCUMENT v3.22.2
Fair Value Information (Narrative) (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Fair Value, Inputs, Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Redeemable Preferred Securities Of Subsidiaries Fair Value Disclosure $ 260 $ 26
Fair Value, Measurements, Recurring | Net Asset Value or Its Equivalent    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Cash Surrender Value, Fair Value Disclosure 65 72
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Derivatives Assets 127 65
Derivatives Liability $ 65 $ 41