On your tax forms, the total dividend amount (before taxes) and the amount of taxes deducted will be reported as separate line items. (investor.vanguard.com)
Then a few days later, a statement credit for the value of the points redeemed will show up on your card as a totally separate line item. (creditwalk.ca)
And you can lump contributions into one category, for simplicity's sake, or add separate line items for your 401 (k), IRA, and others. (newretirement.com)