Health Care Medical Claims Payable (Tables)

12 Months Ended

Dec. 31, 2011

Health Care Medical Claims Payable Tables [Abstract]

Schedule of medical claims payable balance

(In millions)	2011		2010
Incurred but not yet reported	$	952	$	1,067
Reported claims in process		129		164
Other medical expense payable		14		15
Medical claims payable	$	1,095	$	1,246

Schedule of medical claims payable activity

(In millions)	2011		2010		2009
Balance at January 1,	$	1,246	$	921	$	924
Less: Reinsurance and other amounts recoverable		236		206		211
Balance at January 1, net		1,010		715		713
Incurred claims related to:
Current year		8,308		8,663		6,970
Prior years		(126)		(93)		(43)
Total incurred		8,182		8,570		6,927
Paid claims related to:
Current year		7,450		7,682		6,278
Prior years		841		593		647
Total paid		8,291		8,275		6,925
Balance at December 31, net		901		1,010		715
Add: Reinsurance and other amounts recoverable		194		236		206
Balance at December 31,	$	1,095	$	1,246	$	921