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Business Segments (Tables)
6 Months Ended
Jul. 01, 2022
Segment Reporting [Abstract]  
Schedule of segment reporting information by segment The segment information for the periods presented was as follows:
Three Months EndedSix Months Ended
July 1,
2022
July 2,
2021
July 1,
2022
July 2,
2021
(in millions)
Revenues:
Defense Solutions$2,052 $2,004 $4,101 $3,962 
Civil857 799 1,652 1,565 
Health688 645 1,338 1,236 
Total revenues$3,597 $3,448 $7,091 $6,763 
Operating income (loss):
Defense Solutions$139 $137 $272 $289 
Civil38 55 81 129 
Health126 107 244 209 
Corporate(32)(30)(55)(50)
Total operating income $271 $269 $542 $577