CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Assets
Cash and cash equivalents	$ 144	$ 187
Accounts receivable, net of allowance for doubtful accounts of $271 and $236 at June 30, 2014 and December 31, 2013, respectively	963	852
Inventories	109	91
Deferred income taxes	164	148
Prepaid expenses and other current assets	125	105
Total current assets	1,505	1,383
Property, plant and equipment, net	884	805
Goodwill	6,024	5,649
Intangible assets, net	1,117	896
Other assets	227	215
Total assets	9,757	8,948
Liabilities and Stockholders' Equity
Accounts payable and accrued expenses	1,038	920
Short-term borrowings and current portion of long-term debt	220	212
Total current liabilities	1,258	1,132
Long-term debt	3,738	3,120
Other liabilities	642	723
Quest Diagnostics stockholders’ equity:
Common stock, par value $0.01 per share; 600 shares authorized at both June 30, 2014 and December 31, 2013; 215 shares issued at both June 30, 2014 and December 31, 2013	2	2
Additional paid-in capital	2,394	2,379
Retained earnings	5,500	5,358
Accumulated other comprehensive loss	(8)	(8)
Treasury stock, at cost; 71 shares at both June 30, 2014 and December 31, 2013	(3,796)	(3,783)
Total Quest Diagnostics stockholders' equity	4,092	3,948
Noncontrolling interests	27	25
Total stockholders' equity	4,119	3,973
Total liabilities and stockholders' equity	$ 9,757	$ 8,948