XML 91 R69.htm IDEA: XBRL DOCUMENT v3.22.0.1
BORROWINGS AND LINES OF CREDIT - Narrative (Details) - USD ($)
1 Months Ended 12 Months Ended
Feb. 10, 2020
Feb. 28, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]          
Issuance of long-term debt     $ 140,000,000 $ 11,784,000,000 $ 107,000,000
Repayment of long-term debt     $ 704,000,000 1,911,000,000 $ 138,000,000
Weighted average interest rate     2.80%    
Interest expense, debt     $ 319,000,000 298,000,000  
Amortization of debt issuance costs     $ 10,000,000 9,000,000  
Interest expense, debt, financing fees expensed       5,000,000  
Weighted Average          
Debt Instrument [Line Items]          
Average maturity of long-term debt     12 years    
Other Debt | Project Financing Arrangements          
Debt Instrument [Line Items]          
Issuance of long-term debt     $ 124,000,000 135,000,000  
Repayment of long-term debt     181,000,000 $ 161,000,000  
Unsecured Debt | 1.923% Notes due February 15, 2023          
Debt Instrument [Line Items]          
Prepayment amount   $ 17,000,000 17,000,000    
Interest expense, debt, financing fees expensed   $ 2,000,000 2,000,000    
Revolving Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Revolving credit facility, maximum borrowing capacity $ 2,000,000,000        
Commitment fee percentage 0.125%        
Long-term debt     $ 0    
Revolving Credit Facility | Sterling Overnight Index Average | Line of Credit          
Debt Instrument [Line Items]          
Basis spread on variable rate     0.0326%    
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Line of Credit          
Debt Instrument [Line Items]          
Basis spread on variable rate     1.25%    
Commercial Paper | Line of Credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity     $ 2,000,000,000    
Short-term debt     $ 0