Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021
Related Party:
Trust pays to Trustee							$ 100,000
Quarterly Trustee Fee							$ 25,000
Net Income	$ (14,089)	$ (62,360)	$ 54,816	$ 344,604	$ (7,237)	$ 576,223
Decker mine
Related Party:
Net Income	$ 0

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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KIEWIT ROYALTY TRUST 10-Q