The tables below present the changes in AOCI by component for the years ended December 31, 2016, 2017 and 2018:


	OTTI Gains (Losses)			Unrealized Gains (Losses) on Investments		Cash Flow Hedges			Pension Liability			Foreign Currency Translation			Total Accumulated Other Comprehensive Income (Loss)
(In millions)

Balance, January 1, 2016	$	24		$	347	$	(3	)	$	(649	)	$	(76	)	$	(357)
Other comprehensive income (loss) before reclassifications, after tax of $(4), $(133), $0, $9 and $0		9			283					(22	)		(114	)		156
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax of $3, $16, $0, $(15) and $0		(6	)		(26)		2			27						(3)
Other comprehensive income (loss)		3			257		2			5			(114	)		153
Amounts attributable to noncontrolling interests					(28)		(1	)		(2	)		12			(19)
Balance, December 31, 2016		27			576		(2	)		(646	)		(178	)		(223)
Other comprehensive income (loss) before reclassifications, after tax of $1, $(106), $(2), $4 and $0		(3	)		190		1			(18	)		100			270
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax of $1, $38, $0, $(16) and $0		(2	)		(82)		2			30						(52)
Other comprehensive income (loss)		(5	)		108		3			12			100			218
Amounts attributable to noncontrolling interests					(11)		(1	)		1			(10	)		(21)
Balance, December 31, 2017		22			673		-			(633	)		(88	)		(26)
Cumulative effect adjustment for adoption of ASU 2016-01 (a), after tax of $0, $8, $0, $0 and $0					(25)											(25)
Cumulative effect adjustment for adoption of ASU 2018-02 (a)		4			123					(130	)					(3)
Balance, January 1, 2018, as adjusted		26			771		-			(763	)		(88	)		(54)
Other comprehensive income (loss) before reclassifications, after tax of $2, $213, $(2), $9 and $0		(7	)		(801)		4			(34	)		(84	)		(922)
Reclassification of (gains) losses from accumulated other comprehensive loss, after tax of $2, $(2), $0, $(6) and $0		(7	)		3		2			32						30
Other comprehensive income (loss)		(14	)		(798)		6			(2	)		(84	)		(892)
Amounts attributable to noncontrolling interests		2			84								9			95
Purchase of Boardwalk Pipeline common units							(1	)		(28	)					(29)
Balance, December 31, 2018	$	14		$	57	$	5		$	(793	)	$	(163	)	$	(880)

(a)	See Note 1 for information regarding this accounting standard.