Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2016

Accumulated Other Comprehensive Income (Loss) [Abstract]

Changes in accumulated other comprehensive income (loss)

			Tax
			(Expense)		After-
(In millions)	Pre-Tax		Benefit		Tax
Three Months Ended September 30,
2016
Net unrealized appreciation, securities, July 1,	$	1,135	$	(367)	$	768
Unrealized appreciation on securities arising during the period		94		(24)		70
Reclassification adjustment for (gains) included in shareholders' net income (realized investment gains)		(6)		2		(4)
Net unrealized appreciation, securities arising during the period		88		(22)		66
Net unrealized appreciation, securities, September 30,	$	1,223	$	(389)	$	834
Net unrealized appreciation, derivatives, July 1,	$	5	$	(2)	$	3
Unrealized appreciation on derivatives arising during the period		2		-		2
Reclassification adjustment for (gains) included in shareholders' net income (other operating expenses)		(4)		1		(3)
Net unrealized (depreciation) on derivatives arising during the period		(2)		1		(1)
Net unrealized appreciation, derivatives, September 30,	$	3	$	(1)	$	2
Net translation of foreign currencies, July 1,	$	(251)	$	18	$	(233)
Net translation of foreign currencies arising during the period		55		-		55
Net translation of foreign currencies, September 30,	$	(196)	$	18	$	(178)
Postretirement benefits liability adjustment, July 1,	$	(2,127)	$	745	$	(1,382)
Reclassification adjustment for amortization of net losses from past
experience and prior service costs (other operating expenses)		16		(4)		12
Net change due to valuation update		(3)		-		(3)
Net postretirement benefits liability adjustment arising during the period		13		(4)		9
Postretirement benefits liability adjustment, September 30,	$	(2,114)	$	741	$	(1,373)
2015
Net unrealized appreciation, securities, July 1,	$	733	$	(259)	$	474
Unrealized (depreciation) on securities arising during the period		(37)		26		(11)
Reclassification adjustment for losses included in shareholders' net income (realized investment gains)		29		(10)		19
Net unrealized (depreciation), securities arising during the period		(8)		16		8
Net unrealized appreciation, securities, September 30,	$	725	$	(243)	$	482
Net unrealized appreciation, derivatives, July 1,	$	7	$	(3)	$	4
Unrealized appreciation on derivatives arising during the period		4		(1)		3
Net unrealized appreciation, derivatives, September 30,	$	11	$	(4)	$	7
Net translation of foreign currencies, July 1,	$	(165)	$	17	$	(148)
Net translation of foreign currencies arising during the period		(113)		1		(112)
Net translation of foreign currencies, September 30,	$	(278)	$	18	$	(260)
Postretirement benefits liability adjustment, July 1,	$	(2,240)	$	785	$	(1,455)
Reclassification adjustment for amortization of net losses from past
experience and prior service costs (other operating expenses)		16		(5)		11
Postretirement benefits liability adjustment, September 30,	$	(2,224)	$	780	$	(1,444)

			Tax
			(Expense)		After-
(In millions)	Pre-Tax		Benefit		Tax
Nine Months Ended September 30,
2016
Net unrealized appreciation, securities, January 1,	$	612	$	(194)	$	418
Unrealized appreciation on securities arising during the period		606		(193)		413
Reclassification adjustment for losses included in shareholders' net income (realized investment gains)		5		(2)		3
Net unrealized appreciation, securities arising during the period		611		(195)		416
Net unrealized appreciation, securities, September 30,	$	1,223	$	(389)	$	834
Net unrealized appreciation, derivatives, January 1,	$	10	$	(3)	$	7
Unrealized (depreciation), derivatives arising during the period		(3)		1		(2)
Reclassification adjustment for (gains) included in shareholders' net income (other operating expenses)		(4)		1		(3)
Net unrealized (depreciation), derivatives arising during the period		(7)		2		(5)
Net unrealized appreciation, derivatives, September 30,	$	3	$	(1)	$	2
Net translation of foreign currencies, January 1,	$	(295)	$	21	$	(274)
Net translation of foreign currencies arising during the period		99		(3)		96
Net translation of foreign currencies, September 30,	$	(196)	$	18	$	(178)
Postretirement benefits liability adjustment, January 1,	$	(2,155)	$	754	$	(1,401)
Reclassification adjustment for amortization of net losses from past
experience and prior service costs (other operating expenses)		48		(15)		33
Net change due to valuation update		(7)		2		(5)
Net postretirement benefits liability adjustment arising during the period		41		(13)		28
Postretirement benefits liability adjustment, September 30,	$	(2,114)	$	741	$	(1,373)
2015
Net unrealized appreciation, securities, January 1,	$	955	$	(335)	$	620
Unrealized (depreciation) on securities arising during the period		(226)		90		(136)
Reclassification adjustment for (gains) included in shareholders' net income (realized investment gains)		(4)		2		(2)
Net unrealized (depreciation), securities arising during the period		(230)		92		(138)
Net unrealized appreciation, securities, September 30,	$	725	$	(243)	$	482
Net unrealized (depreciation), derivatives, January 1,	$	(12)	$	4	$	(8)
Unrealized appreciation, derivatives arising during the period		11		(4)		7
Reclassification adjustment for losses included in shareholders' net income (other operating expenses)		12		(4)		8
Net unrealized appreciation, derivatives arising during the period		23		(8)		15
Net unrealized appreciation, derivatives, September 30,	$	11	$	(4)	$	7
Net translation of foreign currencies, January 1,	$	(71)	$	9	$	(62)
Net translation of foreign currencies arising during the period		(207)		9		(198)
Net translation of foreign currencies, September 30,	$	(278)	$	18	$	(260)
Postretirement benefits liability adjustment, January 1,	$	(2,286)	$	800	$	(1,486)
Reclassification adjustment for amortization of net losses from past
experience and prior service costs (other operating expenses)		50		(17)		33
Net change due to valuation update		12		(3)		9
Net postretirement benefits liability adjustment arising during the period		62		(20)		42
Postretirement benefits liability adjustment, September 30,	$	(2,224)	$	780	$	(1,444)