Accrued Liabilities (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Accrued Liabilities of Manufacturing Group
Customer deposits	$ 729	$ 715
Salaries, wages and employer taxes	282	275
Current portion of warranty and product maintenance contracts	198	242
Deferred revenues	169	161
Retirement plans	80	82
Other	494	541
Total accrued liabilities	1,952	2,016
Changes in warranty and product maintenance contract liability
Accrual at beginning of year	242	263	278
Provision	223	189	174
Settlements	(223)	(231)	(217)
Adjustments to prior accrual estimates	(18)	21	28
Accrual at end of year	$ 224	$ 242	$ 263

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings.

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The current liability recognized in the balance sheet that is associated with defined benefit pension plans and other postretirement and postemployment benefit plans.

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