Accumulated other comprehensive income (loss)

The following is a summary of net changes in accumulated other comprehensive income (loss) ("AOCI") by component and net of tax for the three and six months ended February 28, 2019 and February 28, 2018 (in millions):



	Pension/ post- retirement obligations			Unrealized gain (loss) on hedges			Share of AOCI of equity method investments			Cumulative translation adjustments			Total
Balance at November 30, 2018	$	97		$	(27	)	$	4		$	(3,305	)	$	(3,231	)
Other comprehensive income (loss) before reclassification adjustments	—			(19		)	(2		)	537			516
Amounts reclassified from AOCI	(4		)	2			—			—			(2		)
Other	—			—			—			7			7
Tax benefit (provision)	2			4			—			(1		)	5
Net change in other comprehensive income (loss)	(2		)	(13		)	(2		)	543			526
Balance at February 28, 2019	$	95		$	(40	)	$	2		$	(2,762	)	$	(2,705	)



	Pension/ post- retirement obligations			Unrealized gain (loss) on hedges			Share of AOCI of equity method investments			Cumulative translation adjustments			Total
Balance at August 31, 2018	$	101		$	(30	)	$	3		$	(3,076	)	$	(3,002	)
Other comprehensive income (loss) before reclassification adjustments	—			(16		)	(1		)	309			292
Amounts reclassified from AOCI	(8		)	3			—			—			(5		)
Other	—			—			—			7			7
Tax benefit (provision)	2			3			—			(2		)	3
Net change in other comprehensive income (loss)	(6		)	(10		)	(1		)	314			297
Balance at February 28, 2019	$	95		$	(40	)	$	2		$	(2,762	)	$	(2,705	)



	Pension/ post- retirement obligations			Unrealized gain (loss) on hedges			Share of AOCI of equity method investments			Cumulative translation adjustments			Total
Balance at November 30, 2017	$	(139	)	$	(33	)	$	—		$	(2,371	)	$	(2,543	)
Other comprehensive income (loss) before reclassification adjustments	—			—			1			381			382
Amounts reclassified from AOCI	(3		)	1			—			—			(2		)
Tax benefit (provision)	1			—			(1		)	—			—
Net change in other comprehensive income (loss)	(2		)	1			—			381			380
Balance at February 28, 2018	$	(141	)	$	(32	)	$	—		$	(1,990	)	$	(2,163	)



	Pension/ post- retirement obligations			Unrealized gain (loss) on hedges			Share of AOCI of equity method investments			Cumulative translation adjustments			Total
Balance at August 31, 2017	$	(139	)	$	(33	)	$	(2	)	$	(2,877	)	$	(3,051	)
Other comprehensive income (loss) before reclassification adjustments	(1		)	—			4			887			890
Amounts reclassified from AOCI	(3		)	2			—			—			(1		)
Tax benefit (provision)	2			(1		)	(2		)	—			(1		)
Net change in other comprehensive income (loss)	(2		)	1			2			887			888
Balance at February 28, 2018	$	(141	)	$	(32	)	$	—		$	(1,990	)	$	(2,163	)