v3.19.2

income taxes (Tables)

6 Months Ended

Jun. 30, 2019

income taxes

Expense composition

		Three months						Six months
Periods ended June 30 (millions)		2019			2018			2019			2018
Current income tax expense
For the current reporting period		$	71		$	139		$	197		$	283
Adjustments recognized in the current period for income taxes of prior periods			(1)			(8)			(1)			(8)
			70			131			196			275
Deferred income tax expense
Arising from the origination and reversal of temporary differences			83			6			114			13
Revaluation of deferred income tax liability to reflect future income tax rates			(121)			—			(121)			—
Adjustments recognized in the current period for income taxes of prior periods			(1)			8			(1)			8
			(39)			14			(8)			21
		$	31		$	145		$	188		$	296

Rate reconciliations

Three-month periods ended June 30 ($ in millions)		2019					2018
Income taxes computed at applicable statutory rates		$	147		26.7	%	$	147		27.2	%
Revaluation of deferred income tax liability to reflect future income tax rates			(121)		(22.0)			—		—
Adjustments recognized in the current period for income taxes of prior periods			(2)		(0.3)			—		—
Other			7		1.2			(2)		(0.5)
Income tax expense per Consolidated statements of income and other comprehensive income		$	31		5.6	%	$	145		26.7	%
Six-month periods ended June 30 ($ in millions)		2019					2018
Income taxes computed at applicable statutory rates		$	308		26.9	%	$	299		27.1	%
Revaluation of deferred income tax liability to reflect future income tax rates			(121)		(10.6)			—		—
Adjustments recognized in the current period for income taxes of prior periods			(2)		(0.2)			—		—
Other			3		0.3			(3)		(0.4)
Income tax expense per Consolidated statements of income and other comprehensive income		$	188		16.4	%	$	296		26.7	%

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- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carry-forwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pre-tax income from continuing operations.

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