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Restructuring and Separation Costs - Other Restructuring Costs (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2018 USD ($)
Restructuring Reserve |
Accrued as of December 31, 2017 | $ 48
Adjustments | 9
Charges | 8
Cash payments | (32)
Accrued as of September 30, 2018 | 33
Separation Costs - Former Executives |
Restructuring Reserve |
Accrued as of December 31, 2017 | 2
Adjustments | 0
Charges | 0
Cash payments | (2)
Accrued as of September 30, 2018 | 0
One-Time Termination Benefits |
Restructuring Reserve |
Accrued as of December 31, 2017 | 11
Adjustments | (1)
Charges | 6
Cash payments | (15)
Accrued as of September 30, 2018 | 1
Other Restructuring Costs |
Restructuring Reserve |
Accrued as of December 31, 2017 | 35
Adjustments | 10
Charges | 2
Cash payments | (15)
Accrued as of September 30, 2018 | 32
IT Restructuring |
Restructuring Reserve |
Accrued as of December 31, 2017 | 0
Charges | 3
Cash payments | 0
Accrued as of September 30, 2018 | 3
IT Restructuring | One-Time Termination Benefits |
Restructuring Reserve |
Accrued as of December 31, 2017 | 0
Charges | 2
Cash payments | 0
Accrued as of September 30, 2018 | 2
IT Restructuring | Other Restructuring Costs |
Restructuring Reserve |
Accrued as of December 31, 2017 | 0
Charges | 1
Cash payments | 0
Accrued as of September 30, 2018 | $ 1

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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