XML 92 R76.htm IDEA: XBRL DOCUMENT v3.10.0.1
Redeemable Preferred Units (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Apr. 30, 2018
Dec. 31, 2018
Dec. 31, 2016
Apr. 02, 2018
Dec. 31, 2017
Redeemable noncontrolling interests   $ 499     $ 21
Preferred Units, Issued   0     329,299,267
Issuance of common units     $ 37    
USAC [Member]          
Redeemable noncontrolling interests   $ 477      
ETO [Member]          
Redeemable noncontrolling interests   $ 22      
Preferred Units [Member] | USAC [Member]          
Preferred Units, Issued       500,000  
Shares Issued, Price Per Share       $ 1,000  
Proceeds from Issuance of Preferred Limited Partners Units $ 500        
Distribution Made to Limited Partner, Distributions Declared, Per Unit $ 24.375        
Preferred Stock, Redemption Terms   In addition, at any time on or after the tenth anniversary of the issue date, the holders of the USAC Preferred Units will have the right to require USAC to redeem all or any portion of the USAC Preferred Units, and the Partnership may elect to pay up to 50% of such redemption amount in USAC common units.