XML 42 R31.htm IDEA: XBRL DOCUMENT
v3.19.2

Stock Compensation (Tables) | 6 Months Ended
--- | ---
Jun. 29, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Compensation Expense for Equity-Based Programs and Related Income Tax Benefits |
| Quarter ended |  | Year-to-date period ended
(millions) | June 29, 2019 | June 30, 2018 |  | June 29, 2019 | June 30, 2018
Pre-tax compensation expense | $ | 18 |  | $ | 16 |  |  | $ | 32 |  | $ | 33 |
Related income tax benefit | $ | 5 |  | $ | 4 |  |  | $ | 8 |  | $ | 8 |

X
- Definition Schedule of Compensation Expense for Equity Programs and Related Tax Benefits [Table Text Block] + References No definition available. + Details
Name: | k_ScheduleOfCompensationExpenseForEquityProgramsAndRelatedTaxBenefitsTableTextBlock
Namespace Prefix: | k_
Data Type: | nonnum: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