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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 174	$ 82	$ 575	$ 259
Other comprehensive income/(loss)	75	(73)	111	45
Comprehensive income	249	9	686	304
Comprehensive (income)/loss attributable to noncontrolling interests	(209)	32	(600)	(226)
Comprehensive income attributable to PAGP	$ 40	$ 41	$ 86	$ 78

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

+ References

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+ References

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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