Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Information [Abstract]

Special item charges

	Three Months Ended
	March 31, 2018				March 31, 2017
	Before-tax		After-tax		Before-tax		After-tax
Transaction-related costs - see Note 3	$	60	$	50	$	63	$	49
Long-term care guaranty fund assessment - see Note 16(D)		-		-		129		83
Total impact from special items	$	60	$	50	$	192	$	132

Summarized segment financial information

(In millions)	Global Health Care		Global Supplemental Benefits		Group Disability and Life		Other Operations		Corporate		Total
Three Months Ended March 31, 2018
Premiums, fees and other revenues and mail order pharmacy revenues(1)	$	8,974	$	1,066	$	1,026	$	31	$	(13)	$	11,084
Net investment income		115		34		90		85		5		329
Less net realized investment (losses) on equity method subsidiaries		-		(2)		-		-		-		(2)
Operating revenues	$	9,089	$	1,102	$	1,116	$	116	$	(8)	$	11,415
Total revenues	$	9,069	$	1,100	$	1,100	$	120	$	(9)	$	11,380
Shareholders' net income (loss)	$	842	$	105	$	54	$	29	$	(115)	$	915
After-tax adjustments to reconcile to adjusted income from operations
Net realized investment (gains) losses(2)		15		1		13		(5)		1		25
Amortization of other acquired intangible assets		14		6		-		-		-		20
Special items
Transaction-related costs		-		-		-		-		50		50
Adjusted income (loss) from operations	$	871	$	112	$	67	$	24	$	(64)	$	1,010
(1) Includes the Company's share of the earnings of its joint ventures in China and India in the Global Supplemental Benefits segment.
(2) Beginning in 2018, includes net realized investment results from the Company's equity method joint ventures in the Global Supplemental Benefits segment.
(In millions)	Global Health Care		Global Supplemental Benefits		Group Disability and Life		Other Operations		Corporate		Total
Three Months Ended March 31, 2017
Premiums, fees and other revenues and mail order pharmacy revenues (1)	$	8,195	$	881	$	1,032	$	30	$	(13)	$	10,125
Net investment income		92		28		89		86		8		303
Operating revenues	$	8,287	$	909	$	1,121	$	116	$	(5)	$	10,428
Total revenues	$	8,313	$	922	$	1,129	$	115	$	(5)	$	10,474
Shareholders' net income (loss)	$	544	$	77	$	59	$	20	$	(102)	$	598
After-tax adjustments to reconcile to adjusted income from operations
Net realized investment (gains)		(16)		(9)		(6)		-		-		(31)
Amortization of other acquired intangible assets		14		6		-		-		-		20
Special items
Transaction-related costs		-		-		-		-		49		49
Long-term care guaranty fund assessment		68		-		15		-		-		83
Total special items		68		-		15		-		49		132
Adjusted income (loss) from operations	$	610	$	74	$	68	$	20	$	(53)	$	719
(1) Includes the Company's share of the earnings of its joint ventures in China and India in the Global Supplemental Benefits segment.

Revenue from external customers

(In millions)	Three Months Ended
	March 31,
	2018		2017
Premiums by product (ASC 944 - insurance activities)
Global Health Care
Commercial
Guaranteed cost	$	1,999	$	1,543
Experience-rated		739		727
Stop loss		980		852
International health care		513		475
Dental		479		441
Other		258		246
Government
Medicare		1,498		1,461
Medicaid		235		280
Medicare Part D		228		234
Total Global Health Care		6,929		6,259
Disability		505		501
Life, Accident and Supplemental Health		1,539		1,367
Total premiums from ongoing operations		8,973		8,127
Fees (ASC 606 - service activities)
Global Health Care		1,326		1,220
Global Supplemental Benefits		7		5
Group Disability and Life		25		27
Total fees from ongoing operations		1,358		1,252
Mail order pharmacy (ASC 606 - service activities)		717		710
Other		36		36
Total revenues from external customers	$	11,084	$	10,125