Schedule II - Valuation and Qualifying Accounts (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Allowance for Doubtful Accounts
Valuation and Qualifying Accounts
Balance at beginning of year	$ 22	$ 19	$ 18
Charged to costs and expenses	11	7	4
Deductions from reserves	(3)	(4)	(3)
Balance at end of year	30	22	19
Inventory FIFO reserves
Valuation and Qualifying Accounts
Balance at beginning of year	150	136	134
Charged to costs and expenses	51	54	42
Deductions from reserves	(32)	(40)	(40)
Balance at end of year	$ 169	$ 150	$ 136

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Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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- Definition

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- Definition

Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

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