Accumulated Other Comprehensive Loss

3 Months Ended

Mar. 31, 2019

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive Income (Loss) Note [Text Block]

Accumulated Other Comprehensive LossA summary of the changes in each component of Accumulated other comprehensive loss, net of tax for the quarters ended March 31, 2020 and 2019 is provided below:

(dollars in millions)	Foreign Currency Translation		Defined Benefit Pension and Post- retirement Plans		Unrealized Hedging (Losses) Gains		Accumulated Other Comprehensive (Loss) Income
Quarter Ended March 31, 2020
Balance at December 31, 2019	$	(3,211)	$	(6,772)	$	(166)	$	(10,149)
Other comprehensive (loss) income before reclassifications, net	(1,445)		8		(403)		(1,840)
Amounts reclassified, pre-tax	—		102		29		131
Tax benefit (expense)	9		(31)		92		70
Balance at March 31, 2020	$	(4,647)	$	(6,693)	$	(448)	$	(11,788)

(dollars in millions)	Foreign Currency Translation		Defined Benefit Pension and Post- retirement Plans		Unrealized Hedging (Losses) Gains		Accumulated Other Comprehensive (Loss) Income
Quarter ended March 31, 2019
Balance at December 31, 2018	$	(3,442)	$	(5,718)	$	(173)	$	(9,333)
Other comprehensive income (loss) before reclassifications, net	530		(1)		7		536
Amounts reclassified, pre-tax	1		44		4		49
Tax expense	(13)		(10)		(3)		(26)
ASU 2018-02 adoption impact	(8)		(737)		—		(745)
Balance at March 31, 2019	$	(2,932)	$	(6,422)	$	(165)	$	(9,519)

In February 2018, the FASB issued ASU 2018-02, Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income (Topic 220). The standard allowed companies to reclassify to retained earnings the stranded tax effects in Accumulated other comprehensive income (AOCI) from the Tax Cuts and Jobs Act ("TCJA"). We elected to reclassify the income tax effects of TCJA from AOCI of $745 million to retained earnings, effective January 1, 2019.

Amounts reclassified that relate to our defined benefit pension and postretirement plans include the amortization of prior service costs and actuarial net losses recognized during each period presented. These costs are recorded as components of net periodic pension benefit for each period presented (see Note 8 for additional details).

All noncontrolling interests with redemption features, such as put options, that are not solely within our control (redeemable noncontrolling interests) are reported in the mezzanine section of the Condensed Consolidated Balance Sheet, between liabilities and equity, at the greater of redemption value or initial carrying value.