Schedule II Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2014

Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation and Qualifying Accounts [Text Block]

			Additions
	Beginning Balance		Charged (Credited) To Costs and Expenses			Other		Deductions			Ending Balance
	(Millions)
2014
Allowance for doubtful accounts — accounts and notes receivable (1)	$	—	$	—		$	—	$	—		$	—
Deferred tax asset valuation allowance (1)	181		25			—		—			206
2013
Allowance for doubtful accounts — accounts and notes receivable (1)	—		—			—		—			—
Deferred tax asset valuation allowance (1)	144		37			—		—			181
2012
Allowance for doubtful accounts — accounts and notes receivable (1)	1		—			—		1		(2)	—
Deferred tax asset valuation allowance (1)	145		(1		)	—		—			144

_______________________

(1)    Deducted from related assets.

(2)    Represents balances written off, reclassifications, and recoveries.