v3.7.0.1
Debt, Revolving Credit Facility (Details)
$ in Millions
 3 Months Ended
Mar. 31, 2017
USD ($)
Revolving Credit Facility  
Maximum loan availability $ 2,100
Long-term Line of Credit 40 [1]
Line of Credit Facility, Remaining Borrowing Capacity 1,560 [1]
Revolving credit facility  
Revolving Credit Facility  
Total loan availability 600 [2]
Long-term Line of Credit 40 [2]
Letters of Credit Outstanding, Amount 0 [2]
Line of Credit Facility, Remaining Borrowing Capacity $ 560 [2]
Weighted average interest rate 3.23%
Revolver maturity date Jan. 29, 2021 [2]
Dropdown Credit Facility  
Revolving Credit Facility  
Total loan availability $ 1,000
Long-term Line of Credit 0
Letters of Credit Outstanding, Amount 0 [1]
Line of Credit Facility, Remaining Borrowing Capacity $ 1,000
Revolver maturity date Jan. 29, 2021
Credit Facility [Domain]  
Revolving Credit Facility  
Total loan availability $ 1,600 [1]
[1] We are allowed to request that the loan availability be increased up to an aggregate of $2.1 billion, subject to receiving increased commitments from the lenders.
[2] The weighted average interest rate for borrowings under our Revolving Credit Facility was 3.23% at March 31, 2017.