Changes in Contract Estimates at Completion (Tables)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Schedule of Change in Accounting Estimate

Net EAC adjustments had the following impact on our operating results:

	Quarter Ended September 30,				Nine Months Ended September 30,
(dollars in millions, except per share amounts)	2021		2020		2021		2020
Operating profit (loss)	$	25	$	(462)	$	64	$	(592)
Income (loss) from continuing operations attributable to common shareowners(1)	20		(365)		51		(468)
Diluted earnings (loss) per share from continuing operations attributable to common shareholders (1)	$	0.01	$	(0.24)	$	0.03	$	(0.36)

(1)     Amounts reflect a U.S. statutory tax rate of 21%, which approximates our tax rate on our EAC adjustments.