Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

Segment Information [Abstract]

Special item charges

	Three Months Ended
	June 30, 2018				June 30, 2017
(In millions)	Before-tax		After-tax		Before-tax		After-tax
Transaction-related costs - see Note 3	$	130	$	109	$	16	$	(47)
Total impact from special items	$	130	$	109	$	16	$	(47)
	Six Months Ended
	June 30, 2018				June 30, 2017
	Before-tax		After-tax		Before-tax		After-tax
Transaction-related costs - see Note 3	$	190	$	159	$	79	$	2
Long-term care guaranty fund assessment - see Note 16(D)		-		-		129		83
Total impact from special items	$	190	$	159	$	208	$	85

Summarized segment financial information

(In millions)	Global Health Care		Global Supplemental Benefits		Group Disability and Life		Other Operations		Corporate		Total
Three Months Ended June 30, 2018
Premiums, fees and other revenues and mail order pharmacy revenues (1)	$	9,025	$	1,050	$	1,031	$	33	$	(11)	$	11,128
Net investment income		125		36		96		88		7		352
Less net realized investment (losses) from equity method subsidiaries (2)		-		(20)		-		-		-		(20)
Operating revenues	$	9,150	$	1,106	$	1,127	$	121	$	(4)	$	11,500
Total revenues	$	9,155	$	1,075	$	1,132	$	119	$	(4)	$	11,477
Shareholders' net income (loss)	$	780	$	86	$	107	$	19	$	(186)	$	806
After-tax adjustments to reconcile to adjusted income from operations
Net realized investment (gains) losses (2)		(4)		27		(4)		2		1		22
Amortization of other acquired intangible assets, net		13		5		-		-		-		18
Special item
Transaction-related costs		-		-		-		-		109		109
Adjusted income (loss) from operations	$	789	$	118	$	103	$	21	$	(76)	$	955
Three Months Ended June 30, 2017
Premiums, fees and other revenues and mail order pharmacy revenues (1)	$	8,100	$	924	$	1,023	$	30	$	(11)	$	10,066
Net investment income		92		31		89		88		8		308
Operating revenues	$	8,192	$	955	$	1,112	$	118	$	(3)	$	10,374
Total revenues	$	8,224	$	954	$	1,134	$	116	$	(3)	$	10,425
Shareholders' net income (loss)	$	599	$	101	$	97	$	17	$	(1)	$	813
After-tax adjustments to reconcile to adjusted income from operations
Net realized investment (gains) losses		(22)		-		(14)		2		-		(34)
Amortization of other acquired intangible assets, net		14		4		-		-		-		18
Special items
Transaction-related costs		-		-		-		-		(47)		(47)
Adjusted income (loss) from operations	$	591	$	105	$	83	$	19	$	(48)	$	750
(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, the Company's share of the realized investment results of equity method joint ventures in the Global Supplemental Benefits segment (reported in other revenues) is excluded from operating revenues and adjusted income from operations.

(In millions)	Global Health Care		Global Supplemental Benefits		Group Disability and Life		Other Operations		Corporate		Total
Six Months Ended June 30, 2018
Premiums, fees and other revenues and mail order pharmacy revenues (1)	$	17,999	$	2,116	$	2,057	$	64	$	(24)	$	22,212
Net investment income		240		70		186		173		12		681
Less net realized investment (losses) on equity method subsidiaries (2)		-		(22)		-		-		-		(22)
Operating revenues	$	18,239	$	2,208	$	2,243	$	237	$	(12)	$	22,915
Total revenues	$	18,224	$	2,175	$	2,232	$	239	$	(13)	$	22,857
Shareholders' net income (loss)	$	1,622	$	191	$	161	$	48	$	(301)	$	1,721
After-tax adjustments to reconcile to adjusted income from operations
Net realized investment losses (gains) (2)		11		28		9		(3)		2		47
Amortization of other acquired intangible assets		27		11		-		-		-		38
Special item
Transaction-related costs		-		-		-		-		159		159
Adjusted income (loss) from operations	$	1,660	$	230	$	170	$	45	$	(140)	$	1,965
Six Months Ended June 30, 2017
Premiums, fees and other revenues and mail order pharmacy revenues (1)	$	16,295	$	1,805	$	2,055	$	60	$	(24)	$	20,191
Net investment income		184		59		178		174		16		611
Operating revenues	$	16,479	$	1,864	$	2,233	$	234	$	(8)	$	20,802
Total revenues	$	16,537	$	1,876	$	2,263	$	231	$	(8)	$	20,899
Shareholders' net income (loss)	$	1,143	$	178	$	156	$	37	$	(103)	$	1,411
After-tax adjustments to reconcile to adjusted income from operations
Net realized investment (gains) losses		(38)		(9)		(20)		2		-		(65)
Amortization of other acquired intangible assets		28		10		-		-		-		38
Special items
Transaction-related costs		-		-		-		-		2		2
Long-term care guaranty fund assessment		68		-		15		-		-		83
Total special items		68		-		15		-		2		85
Adjusted income (loss) from operations	$	1,201	$	179	$	151	$	39	$	(101)	$	1,469
(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, the Company's share of the realized investment results of equity method joint ventures in the Global Supplemental Benefits segment (reported in other revenues) is excluded from operating revenues and adjusted income from operations.

Revenue from external customers

(In millions)	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Premiums by product (ASC 944 - insurance activities)
Global Health Care
Commercial
Guaranteed cost	$	2,046	$	1,522	$	4,045	$	3,065
Experience-rated		736		727		1,475		1,454
Stop loss		993		856		1,973		1,708
International health care		515		479		1,028		954
Dental		482		441		961		882
Other		259		243		517		489
Government
Medicare		1,461		1,389		2,959		2,850
Medicaid		243		273		478		553
Medicare Part D		189		198		417		432
Total Global Health Care		6,924		6,128		13,853		12,387
Disability		510		491		1,015		992
Life, Accident and Supplemental Health		1,551		1,413		3,090		2,780
Total premiums from ongoing operations		8,985		8,032		17,958		16,159
Fees (ASC 606 - service activities)
Global Health Care		1,333		1,213		2,659		2,433
Global Supplemental Benefits		8		7		15		12
Group Disability and Life		25		25		50		52
Total fees from ongoing operations		1,366		1,245		2,724		2,497
Mail order pharmacy (ASC 606 - service activities)		758		757		1,475		1,467
Other		19		32		55		68
Total revenues from external customers	$	11,128	$	10,066	$	22,212	$	20,191