XML 96 R75.htm IDEA: XBRL DOCUMENT v3.8.0.1
Long-Term Debt Private Offering of Senior Notes (Details) - Subsequent Event [Member] - USD ($)
Feb. 07, 2018
Jan. 25, 2018
Jan. 23, 2018
Series A Preferred Unit, Redemption Amount   $ 313,000,000  
Common Unit Repurchase, Unit Repurchased 17,286,859    
Stated interest rate     5.875%
Common Unit Repurchase, Cash Consideration $ 540,000,000    
Senior Notes [Member]      
Debt face amount     $ 2,200,000,000.0
Four Point Eight Seven Five Percentage Senior Notes Due Two Thousand Twenty Three [Member] | Senior Notes [Member]      
Debt face amount     $ 1,000,000,000.0
Stated interest rate     4.875%
Five Point Five Zero Zero Percentage Senior Notes Due Two Thousand Twenty Six [Member] | Senior Notes [Member]      
Debt face amount     $ 800,000,000
Stated interest rate     5.50%
Five Point Eight Seven Five Percentage Senior Notes Due Two Thousand Twenty Eight [Member] | Senior Notes [Member]      
Debt face amount     $ 400,000,000