Consolidated Balance Sheet (USD $) In Millions, unless otherwise specified	Sep. 28, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 421.4	$ 652.9
Short-term investments	221.6	248.6
Receivables, net	415.4	457.2
Inventories	644.3	637.4
Other current assets	121.9	121.6
Deferred income taxes, net of allowances	10.4	10.0
Total current assets	1,835.0	2,127.7
Property, plant and equipment, net	1,231.6	1,109.5
Deferred income taxes, net of allowances	34.6	34.2
Goodwill	198.7	198.7
Intangible assets, net	303.9	337.2
Other assets	66.1	76.2
Total assets	3,669.9	3,883.5
Liabilities, Non-Controlling Interests and Stockholders' Equity
Accounts payable	349.9	451.8
Accrued expenses	248.7	239.8
Income taxes payable	6.2	7.5
Accrued interest	4.1	0.7
Deferred income on sales to distributors	149.9	172.0
Deferred income taxes, net of allowances	33.9	33.6
Current portion of long-term debt (See Note 6)	260.9	370.1
Total current liabilities	1,053.6	1,275.5
Long-term debt (See Note 6)	802.5	836.9
Other long-term liabilities	252.8	260.1
Deferred income taxes, net of allowances	21.4	17.5
Total liabilities	2,130.3	2,390.0
Commitments and contingencies (See Note 9)
ON Semiconductor Corporation stockholders' equity:
Common stock ($0.01 par value, 750,000,000 shares authorized, 507,999,924 and 502,452,084 shares issued, 451,678,389 and 451,284,220 shares outstanding, respectively)	5.1	5.0
Additional paid-in capital	3,143.2	3,113.5
Accumulated other comprehensive loss	(45.2)	(46.7)
Accumulated deficit	(1,154.7)	(1,202.3)
Less: treasury stock, at cost; 56,321,535 and 51,167,864 shares, respectively	(437.1)	(401.3)
Total ON Semiconductor Corporation stockholders' equity	1,511.3	1,468.2
Non-controlling interests in consolidated subsidiaries	28.3	25.3
Total equity	1,539.6	1,493.5
Total liabilities and equity	$ 3,669.9	$ 3,883.5