XML 51 R38.htm IDEA: XBRL DOCUMENT
v3.23.1

STOCK OPTION PLANS (Tables) | 12 Months Ended
--- | ---
Jan. 28, 2023
STOCK-BASED COMPENSATION |
Summary of changes in stock options outstanding | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Shares |  | Weighted- |
​ | ​ | subject | ​ | average |
​ | ​ | to option | ​ | exercise |
​ |  | (in millions) |  | price |
Outstanding, year-end 2019 |  | 32.2 | ​ | $ | 24.52 | ​
Granted |  | 2.9 | ​ | $ | 29.31 | ​
Exercised |  | (7.3) | ​ | $ | 17.72 | ​
Canceled or Forfeited |  | (1.0) | ​ | $ | 30.53 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding, year-end 2020 |  | 26.8 | ​ | $ | 26.65 | ​
Granted |  | 2.1 | ​ | $ | 35.45 | ​
Exercised |  | (7.1) | ​ | $ | 24.70 | ​
Canceled or Forfeited |  | (0.7) | ​ | $ | 28.88 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding, year-end 2021 |  | 21.1 | ​ | $ | 28.15 | ​
Granted |  | 1.2 | ​ | $ | 56.13 | ​
Exercised |  | (5.4) | ​ | $ | 26.02 | ​
Canceled or Forfeited |  | (0.3) | ​ | $ | 31.54 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding, year-end 2022 |  | 16.6 | ​ | $ | 30.81 | ​
​
Summary of options outstanding, exercisable and expected to vest | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted-average | ​ | ​ | ​ | ​ | Aggregate |
​ | ​ | ​ | ​ | remaining | ​ | Weighted-average | ​ | intrinsic |
​ |  | Number of shares |  | contractual life |  | exercise price | ​ | value |
​ |  | (in millions) |  | (in years) | ​ | ​ | ​ | ​ | (in millions) | ​
Options Outstanding |  | 16.6 |  | 5.08 | ​ | $ | 30.81 | ​ | $ | 250 | ​
Options Exercisable |  | 12.3 |  | 4.07 | ​ | $ | 28.29 | ​ | $ | 205 | ​
Options Expected to Vest |  | 4.3 |  | 7.89 | ​ | $ | 37.77 | ​ | $ | 44 | ​
​
Summary of changes in restricted stock outstanding | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Restricted |  | ​ | ​ |
​ | ​ | shares | ​ | Weighted-average |
​ | ​ | outstanding | ​ | grant-date |
​ | ​ | (in millions) | ​ | fair value |
Outstanding, year-end 2019 |  | 9.3 | ​ | $ | 24.85 | ​
Granted |  | 4.0 | ​ | $ | 31.99 | ​
Lapsed |  | (4.9) | ​ | $ | 24.69 | ​
Canceled or Forfeited |  | (0.6) | ​ | $ | 26.71 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding, year-end 2020 |  | 7.8 | ​ | $ | 28.46 | ​
Granted |  | 3.9 | ​ | $ | 37.29 | ​
Lapsed |  | (4.0) | ​ | $ | 29.58 | ​
Canceled or Forfeited |  | (0.5) | ​ | $ | 31.31 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding, year-end 2021 |  | 7.2 | ​ | $ | 32.52 | ​
Granted |  | 3.0 | ​ | $ | 50.50 | ​
Lapsed |  | (4.0) | ​ | $ | 32.16 | ​
Canceled or Forfeited |  | (0.4) | ​ | $ | 38.32 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding, year-end 2022 |  | 5.8 | ​ | $ | 41.76 | ​
​
Summary of weighted-average assumptions used for grants awarded to option holders | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |  | 2020 |
Weighted average expected volatility |  | 30.47 | % | 28.52 | % | 26.96 | %
Weighted average risk-free interest rate |  | 2.09 | % | 1.21 | % | 0.82 | %
Expected dividend yield |  | 1.82 | % | 2.00 | % | 2.00 | %
Expected term (based on historical results) |  | 7.2 | years | 7.2 | years | 7.2 | years
​

X
- Definition Tabular disclosure of the number of shares, weighted-average remaining contractual life, weighted-average exercise price and the aggregate intrinsic value of options outstanding, options exercisable and options expected to vest. + References No definition available. + Details
Name: | kr_ScheduleOfShareBasedCompensationStockOptionsOutstandingExercisableAndExpectedToVestTableTextBlock
Namespace Prefix: | kr_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration