How many shares are issued for common stock?

Consolidated Balance Sheet
In Millions, excluding data per share	12/31/16	12/31/15
ASSETS current assets
Cash and equivalents	1.223,4 $	7.685,5 $
Accounts receivable and notes	1.474.1	1.298,7
Stocks, at cost, not exceeding the market	58.9	100.1
Prepaid expenses and other current assets	565.2	558.7
Assets of businesses held for sale	1.527.0	—
Total current assets Other assets	4.848.6	9.643.0
Investments and advances in affiliates	725.9	792.7
Goodwill	2.336.5	2.516,3
Various	1.855,3	1.869.1
Total other assets Property and equipment	4.917.7	5.178.1
Property, plant and equipment, at cost	34.443.4	37.692.4
Accumulated depreciation and amortization	(13.185,8)	(14.574,8)
Net property and equipment	21.257,6	23.117.6
Total assets LIABILITIES AND EQUITY current liabilities	31.023,9 $	37.938,7 $
Accounts payable	756,0 $	874,7 $
income taxes	267.2	154.8
Other taxes	266.3	309.0
accrued interest	247.5	233.1
Accrued payroll and other liabilities	1.159.3	1.378,8
Maturities of long-term debts	77.2	—
Obligations of holdings held for sale	694.8	—
Total current responsibilities	3.468,3	2.950.4
long-term debt	25.878.5	24.122.1
Other long-term commitments	2.064,3	2.074,0
Deferred income taxes equity (open)	1.817.1	1.704.3
Preferred stock, no par value; authorized – 165.0 million shares; published - none	—	—
Common stock, face value $0.01; authorized – 3.5 billion shares; Issued - 1,660.6 million shares	16.6	16.6
Additional paid-in capital	6.757,9	6.533.4
Retained earnings	46.222.7	44.594.5
Accumulated other comprehensive income	(3.092,9)	(2.879,8)
Common stock in the treasury, its cost; 841.3 and 753.8 million shares	(52.108.6)	(41.176,8)
Total equity (deficit)	(2.204,3)	7.087,9
Total liabilities and equity (deficit)	31.023,9 $	37.938,7 $