pre_text: The tax effects of temporary differences that gave rise to significant portions of the deferred tax assets and deferred tax liabilities were as follows: Of the $2.8 billion and $2.4 billion net deferred tax liability at December 31, 2019 and 2018, respectively, $2.9 billion and $2.5 billion is reflected as a long-term liability and $118 million and $131 million is reflected as a net noncurrent deferred tax asset at December 31, 2019 and 2018, respectively.
table: As of December 31,
table: 2019 2018
table: (Dollars in millions)
table: Deferred tax assets
table: Post-retirement and pension benefit costs $1,169 1,111
table: Net operating loss carryforwards 3,167 3,445
table: Other employee benefits 134 162
table: Other 577 553
table: Gross deferred tax assets 5,047 5,271
table: Less valuation allowance (1,319) (1,331)
table: Net deferred tax assets 3,728 3,940
table: Deferred tax liabilities
table: Property, plant and equipment, primarily due to depreciation differences (3,489) (3,011)
table: Goodwill and other intangible assets (3,019) (3,303)
table: Other — (23)
table: Gross deferred tax liabilities (6,508) (6,337)
table: Net deferred tax liability $(2,780) (2,397)
question: Analyse this data from a financial earnings document. What is the total amount reflected as a long-term liability in 2018 and 2019?