Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 30, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 215	$ 261
Accounts and notes receivable, net of allowances of $42 and $37, respectively	1,404	1,295
Inventories	1,327	1,379
Other current assets	344	324
Total current assets	3,290	3,259
Property, plant and equipment, net	1,222	1,224
Other assets
Goodwill	4,867	4,895
Intangibles, net	1,859	1,910
Other non-current assets	483	487
Total other assets	7,209	7,292
Total assets	11,721	11,775
Current liabilities
Current maturities of long-term debt and short-term borrowings	6	3
Accounts payable	580	570
Employee compensation and benefits	264	294
Other current liabilities	633	672
Total current liabilities	1,483	1,539
Other liabilities
Long-term debt	2,592	2,454
Pension and other post-retirement compensation and benefits	370	378
Deferred tax liabilities	481	488
Other non-current liabilities	452	437
Total liabilities	5,378	5,296
Equity
Common shares CHF 0.50 par value, 213.0 authorized and issued at March 30, 2013 and December 31, 2012, respectively	113	113
Common shares held in treasury, 8.5 and 6.9 shares at March 30, 2013 and December 31, 2012, respectively	(406)	(315)
Capital contribution reserve	5,264	5,285
Retained earnings	1,344	1,292
Accumulated other comprehensive income (loss)	(87)	(12)
Shareholders' equity attributable to Pentair Ltd.	6,228	6,363
Noncontrolling interest	115	116
Total equity	6,343	6,479
Total liabilities and equity	$ 11,721	$ 11,775