CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Common stock	Additional paid-in capital	Accumulated deficit	Accumulated other comprehensive loss	Stockholders’ equity attributable to KMI	Non-controlling interests
Balance at Dec. 31, 2018	$ 34,531	$ 23	$ 41,701	$ (7,716)	$ (330)	$ 33,678	$ 853
Impact of adoption of ASU 2017-12 at Dec. 31, 2018	(4)			(4)		(4)
Adjusted balance at Dec. 31, 2018	34,527	$ 23	41,701	(7,720)	(330)	33,674	853
Balance (shares) at Dec. 31, 2018		2,262.0
Repurchases of common shares	(2)		(2)			(2)
Restricted shares	17		17			17
Net (loss) income	567			556		556	11
Distributions	(14)					0	(14)
Common stock dividends	(455)			(455)		(455)
Other comprehensive income (loss)	(184)				(178)	(178)	(6)
Balance at Mar. 31, 2019	34,456	$ 23	41,716	(7,619)	(508)	33,612	844
Balance (shares) at Mar. 31, 2019		2,262.0
Balance at Dec. 31, 2019	34,086	$ 23	41,745	(7,693)	(333)	33,742	344
Balance (shares) at Dec. 31, 2019		2,265.0
Repurchases of common shares	(50)		(50)			(50)
Repurchases of common shares (shares)		(3.6)
Restricted shares	18		18			18
Net (loss) income	(291)			(306)		(306)	15
Distributions	(3)					0	(3)
Contributions	2					0	2
Common stock dividends	(569)			(569)		(569)
Other comprehensive income (loss)	271				271	271
Balance at Mar. 31, 2020	$ 33,464	$ 23	$ 41,713	$ (8,568)	$ (62)	$ 33,106	$ 358
Balance (shares) at Mar. 31, 2020		2,261.0