pre_text: Deferred Tax Assets and Liabilities Deferred income taxes result from temporary differences between the amount of assets and liabilities recognized for financial reporting and tax purposes. The components of the net deferred income tax asset were as follows:
table: Fiscal Year End
table: 2019 2018
table: (in millions)
table: Deferred tax assets:
table: Accrued liabilities and reserves $  245 $  255
table: Tax loss and credit carryforwards 6,041 3,237
table: Inventories 43 58
table: Intangible assets 964 —
table: Pension and postretirement benefits 248 179
table: Deferred revenue 4 5
table: Interest 134 30
table: Unrecognized income tax benefits 7 8
table: Basis difference in subsidiaries — 946
table: Other 8 13
table: Gross deferred tax assets 7,694 4,731
table: Valuation allowance (4,970) (2,191)
table: Deferred tax assets, net of valuation allowance 2,724 2,540
table: Deferred tax liabilities:
table: Intangible assets — (552)
table: Property, plant, and equipment (57) (13)
table: Other (47) (38)
table: Total deferred tax liabilities (104) (603)
table: Net deferred tax assets $ 2,620 $  1,937
question: Analyse this data from a financial earnings document. What was the change in deferred revenue in 2019 from 2018?