Condensed Consolidated Statements of Stockholders' Deficit - USD ($)	Common Stock	Preferred Stock	Additional Paid-in Capital	Noncontrolling Interest	Retained Earnings	Total
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Dec. 31, 2017		$ 11,786	$ 27,787,681	$ (219,129)	$ (28,144,934)	$ (564,596)
Shares, Outstanding, Beginning Balance at Dec. 31, 2017	117,857,623
Transfer of subsidiary shares to noncontrolling interest	$ 0	0	0	(627)	0	(627)
Net loss attributable to Spectral Capital Corporation	$ 0	0	0	0	(136,507)	(136,507)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Sep. 30, 2018		11,786	27,787,681	(219,756)	(28,281,441)	(701,730)
Shares, Outstanding, Ending Balance at Sep. 30, 2018	117,857,623
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Jun. 30, 2018		11,786	27,787,681	(219,654)	(28,240,364)	(660,551)
Shares, Outstanding, Beginning Balance at Jun. 30, 2018	117,857,623
Transfer of subsidiary shares to noncontrolling interest	$ 0	0	0	(102)	0	(102)
Net loss attributable to Spectral Capital Corporation	$ 0	0	0	0	(41,077)	(41,077)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Sep. 30, 2018		11,786	27,787,681	(219,756)	(28,281,441)	(701,730)
Shares, Outstanding, Ending Balance at Sep. 30, 2018	117,857,623
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Dec. 31, 2018		11,786	27,787,681	(219,953)	(28,322,469)	(742,955)
Shares, Outstanding, Beginning Balance at Dec. 31, 2018	117,857,623
Transfer of subsidiary shares to noncontrolling interest	$ 0	0	0	(856)	0	(856)
Net loss attributable to Spectral Capital Corporation	$ 0	0	0	0	(136,454)	(136,454)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Sep. 30, 2019		11,786	27,787,681	(220,809)	(28,458,923)	(880,265)
Shares, Outstanding, Ending Balance at Sep. 30, 2019	117,857,623
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Jun. 30, 2019		11,786	27,787,681	(220,572)	(28,416,457)	(837,562)
Shares, Outstanding, Beginning Balance at Jun. 30, 2019	117,857,623
Transfer of subsidiary shares to noncontrolling interest	$ 0	0	0	(237)	0	(237)
Net loss attributable to Spectral Capital Corporation	$ 0	0	0	0	(42,466)	(42,466)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Sep. 30, 2019		$ 11,786	$ 27,787,681	$ (220,809)	$ (28,458,923)	$ (880,265)
Shares, Outstanding, Ending Balance at Sep. 30, 2019	117,857,623