Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2017

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 March 31,
2017
Net unrealized appreciation, securities, January 1,	$	542	$	(180)	$	362
Unrealized appreciation on securities arising during the period		53		(24)		29
Reclassification adjustment for (gains) included in shareholders' net income (realized investment gains)		(35)		13		(22)
Net unrealized appreciation, securities arising during the period		18		(11)		7
Net unrealized appreciation, securities, March 31,	$	560	$	(191)	$	369
Net unrealized appreciation, derivatives, January 1,	$	4	$	(1)	$	3
Reclassification adjustment for (gains) included in shareholders' net income (net realized investment gains)		(4)		1		(3)
Net unrealized appreciation, derivatives, March 31,	$	-	$	-	$	-
Net translation of foreign currencies, January 1,	$	(390)	$	21	$	(369)
Net translation of foreign currencies arising during the period		111		1		112
Net translation of foreign currencies, March 31,	$	(279)	$	22	$	(257)
Postretirement benefits liability adjustment, January 1,	$	(2,120)	$	742	$	(1,378)
Reclassification adjustment for amortization of net losses from past
experience and prior service costs (other operating expenses)		15		(5)		10
Reclassification adjustment for settlement loss (other operating expenses)		6		(2)		4
Net postretirement benefits liability adjustment arising during the period		21		(7)		14
Postretirement benefits liability adjustment, March 31,	$	(2,099)	$	735	$	(1,364)
2016
Net unrealized appreciation, securities, January 1,	$	612	$	(194)	$	418
Unrealized appreciation on securities arising during the period		227		(72)		155
Reclassification adjustment for losses included in shareholders' net income (realized investment gains)		28		(10)		18
Net unrealized appreciation, securities arising during the period		255		(82)		173
Net unrealized appreciation, securities, March 31,	$	867	$	(276)	$	591
Net unrealized appreciation, derivatives, January 1,	$	10	$	(3)	$	7
Unrealized (depreciation), derivatives arising during the period		(4)		1		(3)
Net unrealized appreciation, derivatives, March 31,	$	6	$	(2)	$	4
Net translation of foreign currencies, January 1,	$	(295)	$	21	$	(274)
Net translation of foreign currencies arising during the period		83		(2)		81
Net translation of foreign currencies, March 31,	$	(212)	$	19	$	(193)
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)		16		(5)		11
Postretirement benefits liability adjustment, March 31,	$	(2,139)	$	749	$	(1,390)