Divestitures Disclosure of Assets and Liabilities Held for Sale (Details) - North American Consumer Packaging [Member] - Discontinued Operations, Held-for-sale [Member] $ in Millions	Dec. 31, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts and notes receivable	$ 143
Inventories	185
Other current assets	3
Plants, properties and equipment	1,021
Deferred charges and other assets	25
Total Assets Held for Sale	1,377
Accounts payable	104
Accrued payroll and benefits	25
Other accrued liabilities	17
Long-term debt	651
Other liabilities	8
Total Liabilities Held for Sale	$ 805