Retirement Benefits (Tables)

6 Months Ended

Feb. 29, 2016

Boots Pension Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

Components of net periodic pension costs for the defined benefit pension plans (in millions):

	Three Months Ended						Six Months Ended
	February 29, 2016			February 28, 2015			February 29, 2016			February 28, 2015
Service costs	$	-		$	1		$	2		$	1
Interest costs		77			53			159			53
Expected returns on plan assets		(62	)		(43	)		(127	)		(43	)
Settlements		-			1			-			1
Total net periodic pension costs	$	15		$	12		$	34		$	12

Defined Benefit Postretirement Health Benefit Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

Components of net periodic benefit cost for the postretirement health benefit plan (in millions):

	Three Months Ended						Six Months Ended
	February 29, 2016			February 28, 2015			February 29, 2016			February 28, 2015
Service cost	$	2		$	2		$	5		$	5
Interest cost		5			4			10			8
Amortization of actuarial loss		5			5			9			10
Amortization of prior service cost		(7	)		(6	)		(14	)		(12	)
Total postretirement benefit cost	$	5		$	5		$	10		$	11