CONSOLIDATED BALANCE SHEETS (Parenthetical) - Limited Partners - shares	Mar. 31, 2019	Dec. 31, 2018
Preferred Units Series C
Temporary equity, preferred units
Preferred units issued (in shares)	2,000,000,000	0
Preferred units outstanding (in shares)	2,000,000,000	0
Preferred Units Series A
Preferred units
Preferred units issued (in shares)	1,593,149,000	1,593,149,000
Preferred units outstanding (in shares)	1,593,149,000	1,593,149,000
Preferred Units Series B
Preferred units
Preferred units issued (in shares)	2,463,015,000	2,463,015,000
Preferred units outstanding (in shares)	2,463,015,000	2,463,015,000
Common Units
Common and subordinated units
Units issued (in shares)	25,338,432,000	25,327,801,000
Units outstanding (in shares)	25,338,432,000	25,327,801,000