Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Change in Accounting Estimate

Net cumulative catch-up adjustments to prior periods' revenue and earnings, including certain losses, across all long-term contracts were as follows:

(In millions - except per share amounts)	Six months ended June 30		Three months ended June 30
	2023	2022	2023	2022
Decrease to Revenue	($782)	($885)	($470)	($273)
Increase to (Loss)/(decrease) to earnings from operations	($1,348)	($1,541)	($830)	($411)
Decrease to Diluted EPS	($1.43)	($2.27)	($0.51)	($0.29)