Accumulated other comprehensive income (loss)

9 Months Ended

May 31, 2018

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 and nine months ended May 31, 2018 and May 31, 2017 (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 February 28, 2018	$	(141	)	$	—	$	(32	)	$	—		$	(1,990	)	$	(2,163	)
Other comprehensive income (loss) before reclassification adjustments	—			—		—			3			(647		)	(644		)
Amounts reclassified from accumulated OCI	(2		)	—		1			11			8			18
Tax benefit (provision)	—			—		—			(3		)	—			(3		)
Net other comprehensive income (loss)	(2		)	—		1			11			(639		)	(629		)
Balance at May 31, 2018	$	(143	)	$	—	$	(31	)	$	11		$	(2,629	)	$	(2,792	)

	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		)	—		—			7			240			246
Amounts reclassified from accumulated OCI	(5		)	—		3			11			8			17
Tax benefit (provision)	2			—		(1		)	(5		)	—			(4		)
Net other comprehensive income (loss)	(4		)	—		2			13			248			259
Balance at May 31, 2018	$	(143	)	$	—	$	(31	)	$	11		$	(2,629	)	$	(2,792	)

	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 February 28, 2017	$	(216	)	$	1		$	(35	)	$	(6	)	$	(3,553	)	$	(3,809	)
Other comprehensive income (loss) before reclassification adjustments	(102		)	(1		)	—			4			499			400
Amounts reclassified from accumulated OCI1	109			—			1			—			—			110
Tax benefit (provision)	(2		)	—			—			(2		)	—			(4		)
Net other comprehensive income (loss)	5			(1		)	1			2			499			506
Balance at May 31, 2017	$	(211	)	$	—		$	(34	)	$	(4	)	$	(3,054	)	$	(3,303	)

	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	(107		)	(2		)	—			(4		)	(310		)	(423		)
Amounts reclassified from accumulated OCI1	109			—			4			—			—			113
Tax benefit (provision)	(1		)	—			(1		)	1			—			(1		)
Net other comprehensive income (loss)	1			(2		)	3			(3		)	(310		)	(311		)
Balance at May 31, 2017	$	(211	)	$	—		$	(34	)	$	(4	)	$	(3,054	)	$	(3,303	)

¹  Includes amendment to U.S. postretirement healthcare plan resulting in a curtailment gain. See note 12, retirement benefits.