XML 94 R72.htm IDEA: XBRL DOCUMENT v3.22.0.1
FAIR VALUES MEASUREMENTS - Carrying Amounts and Fair Values of Financial Instruments (Details) - Unsecured Debt - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying Amount $ 9,500 $ 10,000
Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair Value $ 9,842 $ 10,811