CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Current assets:
Cash and cash equivalents	$ 257	$ 512	$ 201
Receivables	861us-gaap_ReceivablesNetCurrent	744us-gaap_ReceivablesNetCurrent	1,078us-gaap_ReceivablesNetCurrent
Inventories	1,007us-gaap_InventoryNet	1,035us-gaap_InventoryNet	1,204us-gaap_InventoryNet
Prepaid expenses	74us-gaap_PrepaidExpenseCurrent	80us-gaap_PrepaidExpenseCurrent	94us-gaap_PrepaidExpenseCurrent
Total current assets	2,199us-gaap_AssetsCurrent	2,371us-gaap_AssetsCurrent	2,577us-gaap_AssetsCurrent
Other assets:
Property, plant and equipment, net	2,337us-gaap_PropertyPlantAndEquipmentNet	2,445us-gaap_PropertyPlantAndEquipmentNet	2,634us-gaap_PropertyPlantAndEquipmentNet
Goodwill	1,752us-gaap_Goodwill	1,893us-gaap_Goodwill	2,059us-gaap_Goodwill
Other assets	1,038us-gaap_OtherAssetsNoncurrent	1,149us-gaap_OtherAssetsNoncurrent	1,218us-gaap_OtherAssetsNoncurrent
Total assets	7,326us-gaap_Assets	7,858us-gaap_Assets	8,488us-gaap_Assets
Current liabilities:
Short-term loans and long-term debt due within one year	637us-gaap_DebtCurrent	488us-gaap_DebtCurrent	331us-gaap_DebtCurrent
Accounts payable	919us-gaap_AccountsPayableCurrent	1,137us-gaap_AccountsPayableCurrent	1,074us-gaap_AccountsPayableCurrent
Other liabilities	417us-gaap_AccruedLiabilitiesCurrent	560us-gaap_AccruedLiabilitiesCurrent	527us-gaap_AccruedLiabilitiesCurrent
Total current liabilities	1,973us-gaap_LiabilitiesCurrent	2,185us-gaap_LiabilitiesCurrent	1,932us-gaap_LiabilitiesCurrent
Long-term debt	2,984	2,972	3,371
Other liabilities	920us-gaap_OtherLiabilitiesNoncurrent	991us-gaap_OtherLiabilitiesNoncurrent	992us-gaap_OtherLiabilitiesNoncurrent
Share owners' equity:
Total share owners' equity	1,449	1,710	2,193
Total liabilities and share owners' equity	$ 7,326	$ 7,858	$ 8,488

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