CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net income	$ 2,239	$ 1,919	$ 223
Other comprehensive income (loss), net of tax
Change in fair value of hedge derivatives (net of tax benefit (expense) of $52, $(34), and $(82), respectively)	(177)	111	145
Reclassification of change in fair value of derivatives to net income (net of tax (expense) benefit of $(2), $(25)and $97, respectively)	6	84	(171)
Foreign currency translation adjustments (net of tax expense of $27, $16 and $56, respectively)	108	141	101
Benefit plan adjustments (net of tax expense of $23, $11 and $27, respectively)	77	2	40
Total other comprehensive income	14	338	115
Comprehensive income	2,253	2,257	338
Comprehensive income attributable to noncontrolling interests	(66)	(328)	(86)
Comprehensive income attributable to KMI	$ 2,187	$ 1,929	$ 252