Condensed Consolidating Financial Information of Guarantor Subsidiaries - CONDENSED CONSOLIDATING STATEMENT OF INCOME AND COMPREHENSIVE INCOME (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Revenues:
Equipment rentals		$ 1,117	$ 1,125
Sales of rental equipment		115	116
Sales of new equipment		30	33
Contractor supplies sales		19	18
Service and other revenues		29	23
Total revenues		1,310	1,315
Cost of revenues:
Cost of equipment rentals, excluding depreciation		449	444
Depreciation of rental equipment		243	235
Cost of rental equipment sales		68	64
Cost of new equipment sales		25	27
Cost of contractor supplies sales		13	12
Cost of service and other revenues		12	9
Total cost of revenues		810	791
Gross profit		500	524
Selling, general and administrative expenses		177	181
Merger related costs		0	(27)
Restructuring charge		2	1
Non-rental depreciation and amortization		67	69
Operating income		254	300
Interest (income) expense, net		107	121
Other (income) expense, net		0	(3)
Income before provision for income taxes		147	182
Provision (benefit) for income taxes		55	67
Income (loss) before equity in net earnings (loss) of subsidiaries		92	115
Equity in net earnings (loss) of subsidiaries		0	0
Net income		92	115
Other comprehensive (loss) income		63	(89)
Comprehensive income	[1]	155	26
Parent
Revenues:
Equipment rentals		0	0
Sales of rental equipment		0	0
Sales of new equipment		0	0
Contractor supplies sales		0	0
Service and other revenues		0	0
Total revenues		0	0
Cost of revenues:
Cost of equipment rentals, excluding depreciation		0	0
Depreciation of rental equipment		0	0
Cost of rental equipment sales		0	0
Cost of new equipment sales		0	0
Cost of contractor supplies sales		0	0
Cost of service and other revenues		0	0
Total cost of revenues		0	0
Gross profit		0	0
Selling, general and administrative expenses		6	3
Merger related costs		0	0
Restructuring charge		0	0
Non-rental depreciation and amortization		4	4
Operating income		(10)	(7)
Interest (income) expense, net		(2)	(1)
Other (income) expense, net		(106)	(35)
Income before provision for income taxes		98	29
Provision (benefit) for income taxes		37	13
Income (loss) before equity in net earnings (loss) of subsidiaries		61	16
Equity in net earnings (loss) of subsidiaries		31	99
Net income		92	115
Other comprehensive (loss) income		63	(89)
Comprehensive income		155	26
URNA
Revenues:
Equipment rentals		1,024	998
Sales of rental equipment		104	106
Sales of new equipment		27	29
Contractor supplies sales		17	16
Service and other revenues		25	19
Total revenues		1,197	1,168
Cost of revenues:
Cost of equipment rentals, excluding depreciation		404	384
Depreciation of rental equipment		221	211
Cost of rental equipment sales		62	59
Cost of new equipment sales		23	24
Cost of contractor supplies sales		12	11
Cost of service and other revenues		9	6
Total cost of revenues		731	695
Gross profit		466	473
Selling, general and administrative expenses		144	151
Merger related costs		0	(27)
Restructuring charge		2	1
Non-rental depreciation and amortization		57	59
Operating income		263	289
Interest (income) expense, net		106	119
Other (income) expense, net		122	52
Income before provision for income taxes		35	118
Provision (benefit) for income taxes		13	43
Income (loss) before equity in net earnings (loss) of subsidiaries		22	75
Equity in net earnings (loss) of subsidiaries		9	24
Net income		31	99
Other comprehensive (loss) income		63	(89)
Comprehensive income		94	10
Guarantor Subsidiaries
Revenues:
Equipment rentals		0	0
Sales of rental equipment		0	0
Sales of new equipment		0	0
Contractor supplies sales		0	0
Service and other revenues		0	0
Total revenues		0	0
Cost of revenues:
Cost of equipment rentals, excluding depreciation		0	0
Depreciation of rental equipment		0	0
Cost of rental equipment sales		0	0
Cost of new equipment sales		0	0
Cost of contractor supplies sales		0	0
Cost of service and other revenues		0	0
Total cost of revenues		0	0
Gross profit		0	0
Selling, general and administrative expenses		0	0
Merger related costs		0	0
Restructuring charge		0	0
Non-rental depreciation and amortization		0	0
Operating income		0	0
Interest (income) expense, net		1	2
Other (income) expense, net		0	1
Income before provision for income taxes		(1)	(3)
Provision (benefit) for income taxes		0	(2)
Income (loss) before equity in net earnings (loss) of subsidiaries		(1)	(1)
Equity in net earnings (loss) of subsidiaries		0	16
Net income		(1)	15
Other comprehensive (loss) income		62	(90)
Comprehensive income		61	(75)
Non Guarantor Subsidiaries - Foreign
Revenues:
Equipment rentals		93	127
Sales of rental equipment		11	10
Sales of new equipment		3	4
Contractor supplies sales		2	2
Service and other revenues		4	4
Total revenues		113	147
Cost of revenues:
Cost of equipment rentals, excluding depreciation		45	60
Depreciation of rental equipment		22	24
Cost of rental equipment sales		6	5
Cost of new equipment sales		2	3
Cost of contractor supplies sales		1	1
Cost of service and other revenues		3	3
Total cost of revenues		79	96
Gross profit		34	51
Selling, general and administrative expenses		19	20
Merger related costs		0	0
Restructuring charge		0	0
Non-rental depreciation and amortization		6	6
Operating income		9	25
Interest (income) expense, net		1	1
Other (income) expense, net		9	1
Income before provision for income taxes		(1)	23
Provision (benefit) for income taxes		(1)	7
Income (loss) before equity in net earnings (loss) of subsidiaries		0	16
Equity in net earnings (loss) of subsidiaries		0	0
Net income		0	16
Other comprehensive (loss) income		50	(71)
Comprehensive income		50	(55)
Non Guarantor Subsidiaries - SPV
Revenues:
Equipment rentals		0	0
Sales of rental equipment		0	0
Sales of new equipment		0	0
Contractor supplies sales		0	0
Service and other revenues		0	0
Total revenues		0	0
Cost of revenues:
Cost of equipment rentals, excluding depreciation		0	0
Depreciation of rental equipment		0	0
Cost of rental equipment sales		0	0
Cost of new equipment sales		0	0
Cost of contractor supplies sales		0	0
Cost of service and other revenues		0	0
Total cost of revenues		0	0
Gross profit		0	0
Selling, general and administrative expenses		8	7
Merger related costs		0	0
Restructuring charge		0	0
Non-rental depreciation and amortization		0	0
Operating income		(8)	(7)
Interest (income) expense, net		2	1
Other (income) expense, net		(25)	(22)
Income before provision for income taxes		15	14
Provision (benefit) for income taxes		6	6
Income (loss) before equity in net earnings (loss) of subsidiaries		9	8
Equity in net earnings (loss) of subsidiaries		0	0
Net income		9	8
Other comprehensive (loss) income		0	0
Comprehensive income		9	8
Eliminations
Revenues:
Equipment rentals		0	0
Sales of rental equipment		0	0
Sales of new equipment		0	0
Contractor supplies sales		0	0
Service and other revenues		0	0
Total revenues		0	0
Cost of revenues:
Cost of equipment rentals, excluding depreciation		0	0
Depreciation of rental equipment		0	0
Cost of rental equipment sales		0	0
Cost of new equipment sales		0	0
Cost of contractor supplies sales		0	0
Cost of service and other revenues		0	0
Total cost of revenues		0	0
Gross profit		0	0
Selling, general and administrative expenses		0	0
Merger related costs		0	0
Restructuring charge		0	0
Non-rental depreciation and amortization		0	0
Operating income		0	0
Interest (income) expense, net		(1)	(1)
Other (income) expense, net		0	0
Income before provision for income taxes		1	1
Provision (benefit) for income taxes		0	0
Income (loss) before equity in net earnings (loss) of subsidiaries		1	1
Equity in net earnings (loss) of subsidiaries		(40)	(139)
Net income		(39)	(138)
Other comprehensive (loss) income		(175)	250
Comprehensive income		$ (214)	$ 112

[1] There were no material reclassifications from accumulated other comprehensive loss reflected in other comprehensive income (loss) during 2016 or 2015. There is no tax impact related to the foreign currency translation adjustments, as the earnings are considered permanently reinvested. There were no material taxes associated with other comprehensive income (loss) during 2016 or 2015.