Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and equivalents	$ 1,491	$ 2,484
Receivables less allowance for bad debts	6,626	5,787
Inventories	3,399	3,186
Other current assets	1,374	1,629
Total current assets	12,890	13,086
Property, plant, and equipment, net of accumulated depreciation	10,949	10,257
Goodwill	2,125	2,135
Other assets	1,984	1,932
Total assets	27,948	27,410
Current liabilities:
Accounts payable	2,278	2,041
Accrued employee compensation and benefits	928	930
Other current liabilities	1,556	1,781
Total current liabilities	4,762	4,752
Long-term debt	7,816	4,820
Loss contingency related to Macondo well incident (non-current)	1,022	300
Employee compensation and benefits	575	607
Other liabilities	955	1,141
Total liabilities	15,130	11,620
Shareholders' equity:
Common shares, par value $2.50 per share - authorized 2,000 shares, issued 1,072 and 1,073 shares	2,681	2,682
Paid-in capital in excess of par value	401	486
Accumulated other comprehensive loss	(300)	(309)
Retained earnings	18,177	17,182
Treasury stock, at cost	(8,171)	(4,276)
Company shareholders' equity	12,788	15,765
Noncontrolling interest in consolidated subsidiaries	30	25
Total shareholders' equity	12,818	15,790
Total liabilities and shareholders' equity	$ 27,948	$ 27,410