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Debt Obligations Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Apr. 01, 2022
Debt Instrument [Line Items]      
Long-term Line of Credit $ 566.0    
Repayments of Long-term Debt 5,428.0 $ 8,479.0  
Proceeds from Issuance of Long-term Debt $ 5,658.0 $ 4,751.0  
Banking Regulation, Supplementary Leverage Ratio, Actual 3.55    
Dakota Access | Subsequent Event      
Debt Instrument [Line Items]      
Senior Notes     $ 650.0
Debt Instrument, Interest Rate, Stated Percentage     3.625%
Equity Method Investment, Ownership Percentage     36.40%
ETO Credit Facility due December 2022 [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Current Borrowing Capacity $ 2,020.0    
Long-term Line of Credit 2,950.0    
Letters of Credit Outstanding, Amount $ 30.0    
Line of Credit Facility, Interest Rate at Period End 1.32%    
Line of Credit Facility, Maximum Borrowing Capacity $ 5,000.0    
Commercial Paper 1,450.0    
ETO Credit Facility due December 2022 [Member] | Accordion feature [Member]      
Debt Instrument [Line Items]      
Long-term Line of Credit 7,000.0    
Sunoco LP $1.5 billion Revolving Credit Facility due July 2023 [Member] | Sunoco LP [Member]      
Debt Instrument [Line Items]      
Letters of Credit Outstanding, Amount $ 6.0    
Line of Credit Facility, Interest Rate at Period End 2.40%    
Line of Credit Facility, Remaining Borrowing Capacity $ 494.0    
Line of Credit Facility, Fair Value, Basis for Measurement 1.00 billion    
SemCAMS C$350 million senior secured term loan facility [Member] | SemCAMS [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Fair Value of Amount Outstanding $ 247.0    
SemCAMS C$300 million senior secured construction loan facility [Member] | SemCAMS [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Fair Value of Amount Outstanding 5.0    
KAPS Facility [Member] | SemCAMS [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Fair Value of Amount Outstanding 193.0    
USAC Credit Facility, due 2023 [Member] | USAC [Member]      
Debt Instrument [Line Items]      
Long-term Line of Credit $ 1,030.0    
Line of Credit Facility, Interest Rate at Period End 3.17%    
Line of Credit Facility, Remaining Borrowing Capacity $ 224.0    
4.65% Senior Notes due February 2022      
Debt Instrument [Line Items]      
Senior Notes $ 300.0    
Debt Instrument, Interest Rate, Stated Percentage 4.65%    
Canada, Dollars | SemCAMS C$350 million senior secured term loan facility [Member] | SemCAMS [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Fair Value of Amount Outstanding $ 308.0    
Canada, Dollars | SemCAMS C$300 million senior secured construction loan facility [Member] | SemCAMS [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Fair Value of Amount Outstanding 6.0    
Canada, Dollars | KAPS Facility [Member] | SemCAMS [Member]      
Debt Instrument [Line Items]      
Line of Credit Facility, Fair Value of Amount Outstanding $ 241.0