Leases (Tables)

12 Months Ended

May. 31, 2015

Leases (Tables) [Abstract]

Schedule of Rent Expense Under Operating Leases

Rent expense under operating leases for the years ended May 31 was as follows (in millions):
		2015		2014		2013
Minimum rentals		$	2,249	$	2,154	$	2,061
Contingent rentals(1)			194		197		192
		$	2,443	$	2,351	$	2,253
(1)	Contingent rentals are based on equipment usage.

Schedule of Future Minimum Lease Payments, Operating Leases

	Operating Leases
	Aircraft				Total
	and Related		Facilities		Operating
	Equipment		and Other		Leases
2016	$	461	$	1,667	$	2,128
2017		400		1,841		2,241
2018		329		1,422		1,751
2019		273		1,238		1,511
2020		190		1,075		1,265
Thereafter		360		7,129		7,489
Total	$	2,013	$	14,372	$	16,385