Goodwill And Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule Of Other Intangible Assets

	September 30, 2016			December 31, 2015
	(Millions)
Customer relationships	$	1,793		$	745
Accumulated amortization		(142	)		(55	)
Net intangibles	$	1,651		$	690