Yeah
....your total Federal income does affect your ID Nonresident tax return. Since your AK income is a part of that, then it will affect your ID taxation.
Briefly, they use the ratio (or %) of ID/Fed income to determine what amount of Itemized or Std deduction to apply to your Nonresident ID tax return. There's some math handwaving and adjustments they make, but the gory details are shown in lines 28-42 of the IDaho form 43 ... but TTX supposedly fills the proper amounts in for you once you go carefully thru all the ID nonresident Interview questions in the software. BUT, you have to have the Federal section filled in first...every scrap.. before tackling the actual ID nonresident interview..
https://tax.idaho.gov/forms/EFO00091_12-03-2020.pdf
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
