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Divestiures, West Africa Investments and Acquisitions (Tables) | 12 Months Ended
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Jan. 02, 2021
Business Combinations [Abstract] |
Business acquisition, pro forma information | The Company's consolidated unaudited pro forma historical net sales and net income, as if Multipro had been acquired at the beginning of 2017, exclusive of the non-cash $245 million gain on the disposition of the equity interest recognized in the second quarter of 2018, are estimated as follows:
| Year ended
(millions) | December 29, 2018 | December 30, 2017
Net sales | $ | 13,829 |  | $ | 13,511 |
Net Income attributable to Kellogg Company | $ | 1,336 |  | $ | 1,255 |

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