XML 60 R43.htm IDEA: XBRL DOCUMENT v3.21.2
BORROWINGS Part 2 (Details) Credit Facility and Commercial Paper Borrowings - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Credit Facilities [Abstract]    
Borrowings due within one year $ 1,046 $ 349
Revolving Credit Facility [Member]    
Credit Facilities [Abstract]    
Line of Credit Facility, Expiration Date Oct. 31, 2023  
Line of Credit Facility, Maximum Borrowing Capacity $ 1,500  
Line of Credit Facility, Maximum Month-end Outstanding Amount 0 0
Commercial Paper [Member]    
Credit Facilities [Abstract]    
Commercial Paper $ 0 $ 50
Debt, Weighted Average Interest Rate   0.25%