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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jan. 03, 2021
Accounting Policies [Abstract] |
Schedule of New Accounting Pronouncements | The following table summarizes the cumulative effect adjustments made to the 2018 opening balance of retained earnings upon adoption of these accounting standards in 2018:
(Dollars in Millions) |  | Cumulative Effect Adjustment Increase (Decrease) to Retained Earnings
ASU 2014-09 - Revenue from Contracts with Customers |  | $ | (47) |
ASU 2016-01 - Financial Instruments |  | 232 |
ASU 2016-16 - Income Taxes: Intra-Entity Transfers |  | (439) |
Total |  | $ | (254) |
Estimated Useful Lives of Assets | Property, plant and equipment are stated at cost. The Company utilizes the straight-line method of depreciation over the estimated useful lives of the assets:
Building and building equipment | 20 - 30 years
Land and leasehold improvements | 10 - 20 years
Machinery and equipment | 2 - 13 years

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