CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Revenues:
Equipment rentals																	$ 4,819		$ 4,196		$ 3,455
Sales of rental equipment																	544		490		399
Sales of new equipment																	149		104		93
Contractor supplies sales																	85		87		87
Service and other revenues																	88		78		83
Total revenues	1,564	[1]	1,544	[1]	1,399	[1]	1,178	[1]	1,338	[2]	1,311	[2]	1,206	[2]	1,100	[2]	5,685	[1]	4,955	[2]	4,117
Cost of revenues:
Cost of equipment rentals, excluding depreciation																	1,806		1,634		1,392
Depreciation of rental equipment																	921		852		699
Cost of rental equipment sales																	315		314		274
Cost of new equipment sales																	120		84		74
Cost of contractor supplies sales																	59		59		62
Cost of service and other revenues																	32		25		29
Total cost of revenues																	3,253		2,968		2,530
Gross profit	707	[1]	688	[1]	589	[1]	448	[1]	567	[2]	564	[2]	471	[2]	385	[2]	2,432	[1]	1,987	[2]	1,587
Selling, general and administrative expenses																	758		642		588
Merger related costs																	11		9		111
Restructuring charge																	(1)		12		99
Non-rental depreciation and amortization																	273		246		198
Operating income	426	[1]	422	[1]	325	[1]	218	[1]	342	[2]	337	[2]	250	[2]	149	[2]	1,391	[1]	1,078	[2]	591
Interest expense, net																	555		475		512
Interest expense—subordinated convertible debentures																	0		3		4
Other income, net																	(14)		(5)		(13)
Income before provision for income taxes																	850		605		88
Provision for income taxes																	310		218		13
Net income	$ 194	[1]	$ 192	[1]	$ 94	[1]	$ 60	[1]	$ 140	[2]	$ 143	[2]	$ 83	[2]	$ 21	[2]	$ 540	[1]	$ 387	[2]	$ 75
Basic earnings per share (in dollars per share)	$ 1.96	[1]	$ 1.95	[1]	$ 0.98	[1]	$ 0.63	[1]	$ 1.49	[2]	$ 1.53	[2]	$ 0.89	[2]	$ 0.22	[2]	$ 5.54	[1]	$ 4.14	[2]	$ 0.91
Diluted earnings per share (in dollars per share)	$ 1.88	[1],[3]	$ 1.84	[1],[3]	$ 0.90	[1],[3]	$ 0.56	[1],[3]	$ 1.31	[2],[3]	$ 1.35	[2],[3]	$ 0.78	[2],[3]	$ 0.19	[2],[3]	$ 5.15	[1],[3]	$ 3.64	[2],[3]	$ 0.79

[1] The fourth quarter of 2014 includes an increase in bad debt expense of $8 as compared to the fourth quarter of 2013 primarily due to improved receivable aging which reduced the expense in the fourth quarter of 2013. Additionally, the fourth quarter of 2014 includes an increase in stock compensation, net of $14 as compared to the fourth quarter of 2013 primarily due to improved profitability which resulted in increased performance based stock compensation.

[2] The fourth quarter of 2013 includes a reduction in bad debt expense of $17 as compared to the fourth quarter of 2012 primarily due to improved receivable aging. In the fourth quarter of 2013, we recognized a benefit of $3 in cost of equipment rentals, excluding depreciation related to our provision for self-insurance reserves.

[3] Diluted earnings per share includes the after-tax impacts of the following: First Quarter Second Quarter Third Quarter Fourth Quarter Full YearFor the year ended December 31, 2014: Merger related costs (4)$(0.01) $(0.05) $(0.02) $0.02 $(0.06)Merger related intangible asset amortization (5)(0.22) (0.29) (0.29) (0.30) (1.10)Impact on depreciation related to acquired RSC fleet and property and equipment (6)— 0.01 0.01 0.01 0.03Impact of the fair value mark-up of acquired RSC fleet (7)(0.05) (0.06) (0.05) (0.05) (0.21)Impact on interest expense related to fair value adjustment of acquired RSC indebtedness (8)0.01 0.01 — 0.01 0.03Restructuring charge (9)(0.01) 0.01 0.01 — 0.01Loss on extinguishment of debt securities(0.06) (0.38) (0.02) — (0.46)For the year ended December 31, 2013: Merger related costs (4)$(0.03) $(0.01) $— $— $(0.05)Merger related intangible asset amortization (5)(0.24) (0.24) (0.23) (0.24) (0.94)Impact on depreciation related to acquired RSC fleet and property and equipment (6)0.01 0.01 0.01 0.01 0.04Impact of the fair value mark-up of acquired RSC fleet (7)(0.08) (0.07) (0.05) (0.06) (0.25)Impact on interest expense related to fair value adjustment of acquired RSC indebtedness (8)0.01 0.01 0.01 0.01 0.04Restructuring charge (9)(0.04) (0.03) (0.01) — (0.07)Asset impairment charge (10)(0.01) (0.01) — — (0.02)Loss on extinguishment of debt securities, including subordinated convertible debentures(0.01) — (0.01) — (0.02)