Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Assets
Cash and cash equivalents	$ 415	$ 325
Trade accounts receivable, less allowance for doubtful accounts	1,049	997
Prepaid expenses and other current assets	760	603
Assets held for sale	0	50
Total current assets	2,224	1,975
Property and equipment, net	398	390
Intangible assets, net	2,143	1,882
Goodwill	5,702	5,590
Contract costs, net	419	84
Other long-term assets	376	368
Total assets	11,262	10,289
Liabilities and Shareholders’ Equity
Accounts payable and accrued expenses	1,626	1,359
Current maturities of long-term debt	4	3
Contract liabilities	380	576
Total current liabilities	2,010	1,938
Long-term debt	5,955	4,897
Deferred income taxes	745	552
Long-term contract liabilities	89	54
Other long-term liabilities	170	117
Total liabilities	8,969	7,558
Commitments and Contingencies
Shareholders’ Equity
Preferred stock, no par value: 25.0 million shares authorized; none issued	0	0
Common stock, $0.01 par value: 1,800.0 million shares authorized; 791.4 million shares issued	8	8
Additional paid-in capital	1,057	1,031
Accumulated other comprehensive loss	(67)	(54)
Retained earnings	11,635	10,240
Treasury stock, at cost, 398.9 million and 376.3 million shares	(10,340)	(8,494)
Total shareholders’ equity	2,293	2,731
Total liabilities and shareholders’ equity	$ 11,262	$ 10,289

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

Name:	us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.