XML 36 R23.htm IDEA: XBRL DOCUMENT v3.20.2
Short-term Borrowings and Long-term Debt (Details) - Domestic Line of Credit - USD ($)
$ in Millions
1 Months Ended
Apr. 30, 2020
Oct. 31, 2020
Jan. 31, 2020
Debt Instrument [Line Items]      
Committed line of credit   $ 15,000 $ 15,000
Revolving Credit Facility      
Debt Instrument [Line Items]      
Debt instrument, term 364 days    
Debt outstanding   $ 10,000