Goodwill And Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill And Other Intangible Assets [Abstract]

Schedule Of Other Intangible Assets

	March 31, 2015		December 31, 2014
	(Millions)
Customer relationships	$	926	$	569
Accumulated amortization		(48)		(36)
Net intangibles	$	878	$	533

Schedule Of Estimated Future Amortization Expense

Year	Amortization Amount
		(Millions)
2015	$	52
2016	$	67
2017	$	67
2018	$	67
2019	$	66