Schedule II Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2015

Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation and Qualifying Accounts [Text Block]

The Williams Companies, Inc.

Schedule II — Valuation and Qualifying Accounts

			Additions
	Beginning Balance		Charged (Credited) To Costs and Expenses			Other		Deductions		Ending Balance
	(Millions)
2015
Allowance for doubtful accounts — accounts and notes receivable (1)	$	—	$	3		$	—	$	—	$	3
Deferred tax asset valuation allowance (1)	206		(16		)	—		—		190
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

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(1)    Deducted from related assets.