Consolidated Statements Of Financial Position - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents	$ 2,034	$ 2,125
Short-term investments	3,135	2,824
Trade accounts receivable, net of allowances of $48 and $39, respectively	2,556	2,253
Unbilled accounts receivable	349	369
Other current assets	526	338
Total current assets	8,600	7,909
Property and equipment, net	1,311	1,271
Goodwill	2,554	2,405
Intangible assets, net	951	864
Deferred income tax assets, net	425	348
Equity and cost method investments	62	0
Other noncurrent assets	359	264
Total assets	14,262	13,061
Liabilities and Stockholders' Equity
Accounts payable	175	165
Deferred revenue	306	324
Short-term debt	81	406
Accrued expenses and other current liabilities	1,856	1,819
Total current liabilities	2,418	2,714
Deferred revenue, noncurrent	151	49
Deferred income tax liabilities, net	6	3
Long-term debt	797	877
Other noncurrent liabilities	162	140
Total liabilities	3,534	3,783
Commitments and contingencies (See Note 13)
Stockholders' Equity:
Preferred stock, $0.10 par value, 15.0 shares authorized, none issued	0	0
Class A common stock, $0.01 par value, 1,000 shares authorized, 608 and 609 shares issued and outstanding at December 31, 2016 and December 31, 2015, respectively	6	6
Additional paid-in capital	358	453
Retained earnings	10,478	8,925
Accumulated other comprehensive income (loss)	(114)	(106)
Total stockholders’ equity	10,728	9,278
Total liabilities and stockholders’ equity	$ 14,262	$ 13,061