SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2015

Valuation and Qualifying Accounts [Abstract]

SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

For the Years Ended December 31, 2015, 2014, and 2013

(in millions)

							Additions
	Balance  at Beginning of Period			Acquired/(Disposed) 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:
2015	$	137		$	(39	)	$	61		$	(7	)	$	(51	)	$	101
2014	118			—			32			28			(41		)	137
2013	94			—			37			18			(31		)	118
Deferred tax asset valuation allowance:
2015	(48		)	—			6			—			—			(42		)
2014	(28		)	—			(20		)	—			—			(48		)
2013	(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 included in this annual report on Form 10-K.