Income Taxes (Tables)

12 Months Ended

May. 31, 2015

Income Taxes (Tables) [Abstract]

Schedule of Components of the Provision for Income Taxes

			2015		2014		2013
Current provision (benefit)
	Domestic:
		Federal	$	795	$	624	$	512
		State and local		102		56		86
	Foreign			214		194		170
				1,111		874		768
Deferred provision (benefit)
	Domestic:
		Federal		(474)		360		802
		State and local		(47)		82		93
	Foreign			(13)		18		(41)
				(534)		460		854
			$	577	$	1,334	$	1,622

Schedule of Reconciliation of the Statutory Federal Income Tax Rate to the Effective Income Tax Rate

			2015		2014		2013
Taxes computed at federal statutory rate			$	569	$	1,280	$	1,518
Increases (decreases) in income tax from:
	State and local income taxes,
		net of federal benefit		36		90		117
	Foreign operations			(43)		(38)		(21)
	Other, net			15		2		8
			$	577	$	1,334	$	1,622
Effective Tax Rate				35.5%		36.5%		37.4%

Schedule of Significant Components of Deferred Tax Assets and Liabilities

		2015				2014
		Deferred Tax Assets		Deferred Tax Liabilities		Deferred Tax Assets		Deferred Tax Liabilities
Property, equipment,
	leases and intangibles	$	93	$	3,872	$	120	$	3,730
Employee benefits			2,029		13		1,464		11
Self-insurance accruals			607		-		555		-
Other			477		414		368		366
Net operating loss/credit
	carryforwards		326		-		333		-
Valuation allowances			(224)		-		(245)		-
		$	3,308	$	4,299	$	2,595	$	4,107

Schedule of Net Deferred Tax Liabilities

		2015		2014
	Current deferred tax assets	$	606	$	522
	Noncurrent deferred tax assets(1)		150		80
	Noncurrent deferred tax liabilities		(1,747)		(2,114)
		$	(991)	$	(1,512)
(1)	Noncurrent deferred tax assets are included in the line item Other Assets in our Consolidated Balance Sheet.

Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits

		2015		2014		2013
Balance at beginning of year		$	38	$	47	$	51
	Increases for tax positions taken in the current year		1		1		1
	Increases for tax positions taken in prior years		6		3		3
	Decreases for tax positions taken in prior years		(2)		(3)		(3)
	Settlements		(2)		(6)		(9)
	Increases due to acquisitions		-		-		4
	Decrease from lapse of statute of limitations		-		(3)		(2)
	Changes due to currency translation		(5)		(1)		2
Balance at end of year		$	36	$	38	$	47