Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following table presents changes in AOCI, net of tax, reported in the consolidated financial statements for the years ended December 31:

In millions	2019			2018			2017
Defined Benefit Pension and Postretirement Adjustments
Balance at beginning of period	$	(1,916	)	$	(2,527	)	$	(3,072	)
Other comprehensive income (loss) before reclassifications	2			22			59
Reclassification of stranded tax effects	(527		)	—			—
Amounts reclassified from accumulated other comprehensive income	164			589			486
Balance at end of period	(2,277		)	(1,916		)	(2,527		)
Change in Cumulative Foreign Currency Translation Adjustments
Balance at beginning of period	(2,581		)	(2,111		)	(2,287		)
Other comprehensive income (loss) before reclassifications	14			(475		)	178
Amounts reclassified from accumulated other comprehensive income	102			2			(1		)
Other Comprehensive Income (Loss) Attributable to Noncontrolling Interest	—			3			(1		)
Balance at end of period	(2,465		)	(2,581		)	(2,111		)
Net Gains and Losses on Cash Flow Hedging Derivatives
Balance at beginning of period	(3		)	5			(3		)
Other comprehensive income (loss) before reclassifications	4			(10		)	15
Reclassification of stranded tax effects	(2		)	—			—
Amounts reclassified from accumulated other comprehensive income	4			2			(7		)
Balance at end of period	3			(3		)	5
Total Accumulated Other Comprehensive Income (Loss) at End of Period	$	(4,739	)	$	(4,500	)	$	(4,633	)

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

Reclassifications out of AOCI for the three years ended December 31 were as follows:

	Amount Reclassified from Accumulated Other Comprehensive Income										Location of Amount Reclassified from AOCI
	2019			2018			2017
In millions
Defined benefit pension and postretirement items:
Prior-service costs	$	(10	)	$	(11	)	$	(33	)	(a)	Non-operating pension expense
Actuarial gains/(losses)	(208		)	(774		)	(733		)	(a)	Non-operating pension expense
Total pre-tax amount	(218		)	(785		)	(766		)
Tax (expense)/benefit	54			196			280
Net of tax	(164		)	(589		)	(486		)
Reclassification of stranded tax effects	527			—			—				Retained Earnings
Total, net of tax	363			(589		)	(486		)
Change in cumulative foreign currency translation adjustments:
Business acquisitions/divestiture	(102		)	(2		)	1			(b)	Net (gains) losses on sales and impairment of businesses and Cost of products sold
Tax (expense)/benefit	—			—			—
Net of tax	(102		)	(2		)	1
Net gains and losses on cash flow hedging derivatives:
Foreign exchange contracts	(6		)	(3		)	9			(c)	Cost of products sold
Total pre-tax amount	(6		)	(3		)	9
Tax (expense)/benefit	2			1			(2		)
Net of tax	(4		)	(2		)	7
Reclassification of stranded tax effects	2			—			—				Retained Earnings
Total, net of tax	(2		)	(2		)	7
Total reclassifications for the period, net of tax	$	259		$	(593	)	$	(478	)

(a) These accumulated other comprehensive income components are included in the computation of net periodic pension cost (see Note 19 for additional details).

(b) Amounts for 2018 were reclassed to Discontinued operations, net of taxes.

(c) This accumulated other comprehensive income component is included in our derivatives and hedging activities (see Note 17 for additional details).