Retirement tax questions

Most lump-sum distributions apply to individuals born before 1936 or a beneficiary of such an individual, so your distribution may not qualify as such. Here are the requirements, as listed in TurboTax: 

The foreign tax credit is basically calculated by dividing your foreign income by your total income to arrive at a percentage, that is then multiplied by your foreign tax. So, you get credit for a portion of the foreign tax based on the amount of foreign income being taxed on your US return. So, you may be able to do a quick calculation to determine if the foreign tax credit you see is reasonable.