Goodwill And Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2016

Goodwill And Other Intangible Assets [Abstract]

Schedule Of Other Intangible Assets

	March 31, 2016		December 31, 2015
	(Millions)
Customer relationships	$	1,779	$	745
Accumulated amortization		(82)		(55)
Net intangibles	$	1,697	$	690