Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 1,996	$ 1,917
Restricted cash	23	41
Accounts receivable, net of allowance for doubtful accounts: 2019 - $38; 2018 - $34	1,486	1,449
Prepaid and other current assets	217	197
Total current assets	3,722	3,604
Property and equipment, net of accumulated depreciation: 2019 - $608; 2018 - $596	298	270
Right of use assets	660	0
Goodwill	3,515	3,535
Other intangible assets, net	1,427	1,524
Other non-current assets	566	525
Total assets	10,188	9,458
Current liabilities:
Accounts payable	188	211
Accrued compensation and contributions to retirement plans	327	354
Short-term debt	699	0
Income taxes currently payable	114	72
Unearned revenue	1,614	1,641
Other current liabilities	431	351
Total current liabilities	3,373	2,629
Long-term debt	2,966	3,662
Lease liabilities — non-current	615	0
Pension and other postretirement benefits	226	229
Other non-current liabilities	581	634
Total liabilities	7,761	7,154
Redeemable noncontrolling interest (Note 8)	2,025	1,620
Commitments and contingencies (Note 12)
Equity:
Common stock	294	294
Additional paid-in capital	835	833
Retained income	12,054	11,284
Accumulated other comprehensive loss	(684)	(742)
Less: common stock in treasury	(12,153)	(11,041)
Total equity — controlling interests	346	628
Total equity — noncontrolling interests	56	56
Total equity	402	684
Total liabilities and equity	$ 10,188	$ 9,458