Accumulated other comprehensive income (loss)

3 Months Ended

Nov. 30, 2017

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated other comprehensive income (loss)

Accumulated other comprehensive income (loss)

The following is a summary of net changes in accumulated other comprehensive income by component and net of tax for the three months ended November 30, 2017 and 2016 (in millions):

	Pension/ post- retirement obligations			Unrecognized gain (loss) on available-for- sale investments		Unrealized gain (loss) on cash flow hedges			Share of OCI of equity method investments			Currency translation adjustment			Total
Balance at August 31, 2017	$	(139	)	$	—	$	(33	)	$	(2	)	$	(2,877	)	$	(3,051	)
Other comprehensive income (loss) before reclassification adjustments	(1		)	—		—			3			506			508
Amounts reclassified from accumulated OCI	—			—		1			—			—			1
Tax benefit (provision)	1			—		(1		)	(1		)	—			(1		)
Net other comprehensive income	—			—		—			2			506			508
Balance at November 30, 2017	$	(139	)	$	—	$	(33	)	$	—		$	(2,371	)	$	(2,543	)

	Pension/ post- retirement obligations			Unrecognized gain (loss) on available-for- sale investments			Unrealized gain (loss) on cash flow hedges			Share of OCI of equity method investments			Currency translation adjustment			Total
Balance at August 31, 2016	$	(212	)	$	2		$	(37	)	$	(1	)	$	(2,744	)	$	(2,992	)
Other comprehensive income (loss) before reclassification adjustments	(11		)	(1		)	1			(1		)	(808		)	(820		)
Tax benefit	2			—			—			—			—			2
Net other comprehensive income (loss)	(9		)	(1		)	1			(1		)	(808		)	(818		)
Balance at November 30, 2016	$	(221	)	$	1		$	(36	)	$	(2	)	$	(3,552	)	$	(3,810	)