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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Nov. 10, 2018 | Nov. 04, 2017 | Nov. 10, 2018 | Nov. 04, 2017
CONSOLIDATED STATEMENTS OF OPERATIONS |  |  |  |
Sales | $ 27,672 | $ 27,749 | $ 93,071 | $ 91,631
Operating expenses |  |  |  |
Merchandise costs, including advertising, warehousing, and transportation, excluding items shown separately below | 21,699 | 21,532 | 72,991 | 71,422
Operating, general and administrative | 4,556 | 4,701 | 15,291 | 15,585
Rent | 200 | 196 | 680 | 691
Depreciation and amortization | 570 | 573 | 1,884 | 1,871
Operating profit | 647 | 747 | 2,225 | 2,062
Other income (expense) |  |  |  |
Interest expense | (142) | (136) | (479) | (453)
Non-service component of company-sponsored pension plan costs | (6) | (7) | (19) | (21)
Mark to market gain (loss) on Ocado securities | (100) |  | 152 |
Gain on sale of business |  |  | 1,782 |
Net earnings before income tax expense | 399 | 604 | 3,661 | 1,588
Income tax expense | 91 | 215 | 834 | 552
Net earnings including noncontrolling interests | 308 | 389 | 2,827 | 1,036
Net loss attributable to noncontrolling interests | (9) | (8) | (24) | (17)
Net earnings attributable to The Kroger Co. | $ 317 | $ 397 | $ 2,851 | $ 1,053
Net earnings attributable to The Kroger Co. per basic common share | $ 0.39 | $ 0.44 | $ 3.46 | $ 1.16
Average number of common shares used in basic calculation | 797 | 887 | 814 | 901
Net earnings attributable to The Kroger Co. per diluted common share | $ 0.39 | $ 0.44 | $ 3.43 | $ 1.15
Average number of common shares used in diluted calculation | 807 | 893 | 822 | 910

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Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration