comcast corporation changes in our net deferred tax liability in 2015 that were not recorded as deferred income tax expense are primarily related to decreases of $ 28 million associated with items included in other comprehensive income ( loss ) and decreases of $ 132 million related to acquisitions made in 2015 . our net deferred tax liability includes $ 23 billion related to cable franchise rights that will remain unchanged unless we recognize an impairment or dispose of a cable franchise