Revenue (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contracts with Customers [Abstract]

Disaggregation of Revenue [Table Text Block]

The following table presents our revenue from contracts with customers and other revenue for the periods indicated (in millions):

	Three Months Ended March 31, 2019
	US and Utilities SBU		South America SBU		MCAC SBU		Eurasia SBU		Corporate, Other and Eliminations			Total
Regulated Revenue
Revenue from contracts with customers	$	778	$	—	$	—	$	—	$	—		$	778
Other regulated revenue	7		—		—		—		—			7
Total regulated revenue	785		—		—		—		—			785
Non-Regulated Revenue
Revenue from contracts with customers	173		843		429		267		—			1,712
Other non-regulated revenue (1)	61		2		21		72		(3		)	153
Total non-regulated revenue	234		845		450		339		(3		)	1,865
Total revenue	$	1,019	$	845	$	450	$	339	$	(3	)	$	2,650

	Three Months Ended March 31, 2018
	US and Utilities SBU		South America SBU		MCAC SBU		Eurasia SBU		Corporate, Other and Eliminations			Total
Regulated Revenue
Revenue from contracts with customers	$	711	$	—	$	—	$	—	$	—		$	711
Other regulated revenue	11		—		—		—		—			11
Total regulated revenue	722		—		—		—		—			722
Non-Regulated Revenue
Revenue from contracts with customers	208		894		387		331		(9		)	1,811
Other non-regulated revenue (1)	97		1		21		88		—			207
Total non-regulated revenue	305		895		408		419		(9		)	2,018
Total revenue	$	1,027	$	895	$	408	$	419	$	(9	)	$	2,740