Nature of Operations and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Retrospective Impact of Future Adoption

The retrospective impact of adoption for fiscal years 2017 and 2016 is shown in the following table.

	Fiscal Year 2017								Fiscal Year 2016
(Dollars in millions)	As Previously Reported		Reclass			As Reclassified			As Previously Reported		Reclass			As Reclassified
Operating Expense:
Labor and Fringe	$	2,914	$	32		$	2,946		$	3,159	$	(24	)	$	3,135
Restructuring Charge	325		(85		)	240			—		—			—
Non-Operating Income (Expense):
Restructuring Charge - Non-Operating	$	—	$	(85	)	$	(85	)	$	—	$	—		$	—
Other Income - Net	21		32			53			46		(24		)	22

Schedule of Restructuring Charges

Expenses related to the management workforce reduction and other restructuring costs during 2017 are shown in the following table.

	Fiscal Year 2017
(Dollars in millions)	As Previously Reported		Operating Restructuring Charge		Non-Operating Restructuring Charge
Severance and Pension	$	154	$	98	$	56
Other Post-Retirement Benefits Curtailment	17		—		17
Employee Equity Awards Proration and Other	23		23		—
Subtotal Management Workforce Reduction	$	194	$	121	$	73
Reimbursement Arrangements	84		84		—
Executive Equity Awards Proration	24		24		—
Pension Settlement Charge	12		—		12
Advisory Fees Related to Shareholder Matters	11		11		—
Total Restructuring Charge	$	325	$	240	$	85