Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 2,667	$ 2,866
Restricted cash	17	20
Accounts receivable, net of allowance for doubtful accounts: 2020 - $38; 2019 - $34	1,557	1,577
Prepaid and other current assets	218	249
Total current assets	4,459	4,712
Property and equipment, net of accumulated depreciation: 2020 - $635 ; 2019 - $622	299	320
Right of use assets	626	676
Goodwill	3,700	3,575
Other intangible assets, net	1,407	1,424
Other non-current assets	614	641
Total assets	11,105	11,348
Current liabilities:
Accounts payable	186	190
Accrued compensation and contributions to retirement plans	295	446
Income taxes currently payable	274	68
Unearned revenue	1,850	1,928
Other current liabilities	435	461
Total current liabilities	3,040	3,093
Long-term debt	3,950	3,948
Lease liabilities — non-current	578	620
Pension and other postretirement benefits	260	259
Other non-current liabilities	606	624
Total liabilities	8,434	8,544
Redeemable noncontrolling interest (Note 8)	2,403	2,268
Commitments and contingencies (Note 12)
Equity:
Common stock	294	294
Additional paid-in capital	762	903
Retained income	13,189	12,205
Accumulated other comprehensive loss	(704)	(624)
Less: common stock in treasury	(13,331)	(12,299)
Total equity — controlling interests	210	479
Total equity — noncontrolling interests	58	57
Total equity	268	536
Total liabilities and equity	$ 11,105	$ 11,348