CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets
Cash and cash equivalents	$ 144	$ 187
Accounts receivable, net of allowance for doubtful accounts of $246 and $236 at March 31, 2014 and December 31, 2013, respectively	977	852
Inventories	99	91
Deferred income taxes	153	148
Prepaid expenses and other current assets	115	105
Total current assets	1,488	1,383
Property, plant and equipment, net	851	805
Goodwill	5,920	5,649
Intangible assets, net	1,078	896
Other assets	213	215
Total assets	9,550	8,948
Liabilities and Stockholders' Equity
Accounts payable and accrued expenses	969	920
Short-term borrowings and current portion of long-term debt	223	212
Total current liabilities	1,192	1,132
Long-term debt	3,724	3,120
Other liabilities	614	723
Quest Diagnostics stockholders’ equity:
Common stock, par value $0.01 per share; 600 shares authorized at both March 31, 2014 and December 31, 2013; 215 shares issued at both March 31, 2014 and December 31, 2013	2	2
Additional paid-in capital	2,381	2,379
Retained earnings	5,415	5,358
Accumulated other comprehensive loss	(11)	(8)
Treasury stock, at cost; 71 shares at both March 31, 2014 and December 31, 2013	(3,795)	(3,783)
Total Quest Diagnostics stockholders' equity	3,992	3,948
Noncontrolling interests	28	25
Total stockholders' equity	4,020	3,973
Total liabilities and stockholders' equity	$ 9,550	$ 8,948