SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2014

Valuation and Qualifying Accounts [Abstract]

SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

For the Years Ended December 31, 2014, 2013, and 2012

(in millions)

						Additions
	Balance  at Beginning of Period			Acquired Balances		Charged (Credited)  to Costs and Expenses			Charged  to Other Accounts (1)		Deductions or Write-offs			Balance at End  of Period
Allowance for loss on receivables:
2014	$	118		$	—	$	32		$	28	$	(41	)	$	137
2013	94			—		37			18		(31		)	118
2012	85			—		26			8		(25		)	94
Deferred tax asset valuation allowance:
2014	(28		)	—		(20		)	—		—			(48		)
2013	(28		)	—		—			—		—			(28		)
2012	(28		)	—		—			—		—			(28		)

(1) Represents changes in retroactive membership adjustments to premiums revenue and contractual allowances adjustments to services revenue as more fully described in Note 2 to the consolidated financial statements.