XML 88 R74.htm IDEA: XBRL DOCUMENT v3.22.0.1
Borrowings and Lines of Credit (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]        
Maximum Commercial Paper Borrowing Authority $ 5,000 $ 5,000    
Aggregate Line of Credit Facility Maximum Borrowing Capacity 7,000 7,000    
Borrowings under Long-term Lines of Credit 0 0    
Short Term Line of Credit Facilities Remaining Borrowing Capacities $ 900 900    
Debt Extinguishment Costs   $ 649 $ 0 $ 0
Total Debt Weighted Average Interest Rate, Outstanding 4.00% 4.00% 4.20%  
Average Years of Maturity of Long Term Debt   15 years    
Tender Offer [Member]        
Debt Instrument [Line Items]        
Repayments of Debt   $ 1,500    
Debt Extinguishment Costs $ 617      
Revolving Credit Agreement [Member]        
Debt Instrument [Line Items]        
Line of Credit Facility, Maximum Borrowing Capacity 5,000 5,000    
$2.0B May 6, 2020 revolving credit agreement        
Debt Instrument [Line Items]        
Line of Credit Facility, Maximum Borrowing Capacity $ 2,000 $ 2,000