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Pensions and Other Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2019
Retirement Benefits [Abstract]  
Components of Net Periodic Benefit Cost
Net periodic benefit cost for the Company’s defined benefit retirement plans and other benefit plans for the fiscal second quarters and the first fiscal six months of 2019 and 2018 include the following components:
 
 
Fiscal Second Quarter Ended
 
Fiscal Six Months Ended
 
 
Retirement Plans
 
Other Benefit Plans
 
Retirement Plans
 
Other Benefit Plans
(Dollars in Millions)
 
June 30, 2019
 
July 1, 2018
 
June 30, 2019
 
July 1, 2018
 
June 30, 2019
 
July 1, 2018
 
June 30, 2019
 
July 1, 2018
Service cost
 
$
277

 
309

 
69

 
68

 
553

 
618

 
137

 
135

Interest cost
 
274

 
249

 
46

 
38

 
549

 
501

 
92

 
75

Expected return on plan assets
 
(581
)
 
(554
)
 
(1
)
 
(2
)
 
(1,164
)
 
(1,114
)
 
(3
)
 
(4
)
Amortization of prior service cost/(credit)
 
1

 

 
(8
)
 
(8
)
 
2

 
1

 
(16
)
 
(16
)
Recognized actuarial losses
 
146

 
213

 
33

 
31

 
290

 
428

 
65

 
61

Curtailments and settlements
 
8

 

 

 

 
7

 
(2
)
 

 

Net periodic benefit cost
 
$
125

 
217

 
139

 
127

 
237

 
432

 
275

 
251