Statement of Changes in Combined Equity - USD ($) $ in Millions	Total	Parent Company net investment	Common stock	Additional capital	Accumulated deficit	Treasury stock	Accumulated other comprehensive (loss) income	Noncontrolling interest
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 2,973	$ 2,664	$ 0	$ 0	$ 0	$ 0	$ 295	$ 14
Net income	(45)	46			(91)			0
Other comprehensive income	139						139	0
Separation-related adjustments	324	(2,548)		3,322			(450)
Stock-based compensation	11			11
Establishment of additional defined benefit plans	(1,403)	349					(1,752)
Change in ParentCo contribution	217	217
Separation payment to former parent company (A)	(728)	(728)
Issuance of common stock	0		1	(1)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,389	0	1	3,318	(96)	0	(1,848)	14
Net income	5				5			0
Other comprehensive income	80						80	0
Separation-related adjustments	8			8
Stock-based compensation	6			6
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,488	0	1	3,332	(91)	0	(1,768)	14
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,447	0	1	3,348	(155)	0	(1,761)	14
Net income	(359)				(359)			0
Other comprehensive income	583						583	0
Treasury Stock, Value, Acquired, Cost Method	(106)					106
Stock-based compensation	15			15
Other	(2)			(2)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,628	0	1	3,351	(530)	(9)	(1,199)	14
Net income	16				16			0
Other comprehensive income	21						21	0
Treasury Stock, Value, Acquired, Cost Method	(97)					97
Stock-based compensation	8			8
Other	2			2
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 1,578	$ 0	$ 1	$ 3,361	$ (514)	$ (106)	$ (1,178)	$ 14