CONSOLIDATED BALANCE SHEETS (Parenthetical) In Millions, except Share data, unless otherwise specified	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2013 CHF
Current Assets:
Allowance for Uncollectible Accounts	$ 108	$ 106
Shareholders' Equity:
Common Shares, Par Value (in CHF per share)	$ 0.001		1.16
Common Shares, Authorized (in shares)	1,356,000,000	840,000,000	840,000,000
Common Shares, Conditionally Authorized (in shares)	0	372,000,000	372,000,000
Common Shares, Issued (in shares)	774,000,000	840,000,000	840,000,000
Common Shares, Outstanding (in shares)	774,000,000	767,000,000	767,000,000
Treasury Shares, at cost (in shares)	0	73,000,000	73,000,000