Changes in the balance of AOCL, net of tax, consisted of the following (in millions):



	Postretirement Benefit Plans			Other, net			AOCL
Balance at December 31, 2017	$	(12,559	)	$	20		$	(12,539	)
Other comprehensive income before reclassifications	—			55			55
Amounts reclassified from AOCL
Recognition of net actuarial losses ^(a)	364			—			364
Amortization of net prior service credits ^(a)	(64		)	—			(64		)
Other	—			3			3
Total reclassified from AOCL	300			3			303
Total other comprehensive income	300			58			358
Reclassification of income tax effects from tax reform ^(b)	(2,396		)	(12		)	(2,408		)
Balance at March 25, 2018	$	(14,655	)	$	66		$	(14,589	)

Balance at December 31, 2016	$	(11,981	)	$	(121	)	$	(12,102	)
Other comprehensive income before reclassifications	3			4			7
Amounts reclassified from AOCL
Recognition of net actuarial losses ^(a)	258			—			258
Amortization of net prior service credits ^(a)	(56		)	—			(56		)
Other	—			1			1
Total reclassified from AOCL	202			1			203
Total other comprehensive income	205			5			210
Balance at March 26, 2017	$	(11,776	)	$	(116	)	$	(11,892	)


^(a)	Reclassifications from AOCL related to our postretirement benefit plans were recorded as a component of net periodic benefit cost for each period presented (see “Note 7 – Postretirement Benefit Plans”).


^(b)	We reclassified the impact of the income tax effects related to the Tax Cuts and Jobs Act of 2017 (the Tax Act) from AOCL during the quarter ended March 25, 2018 to retained earnings by the same amount with zero impact to total equity. See ASU 2018-02 in “Note 12 – Recent Accounting Pronouncements” for additional information.